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At sign - Wikipedia

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<span>Modern use</span> </div> </a> <button aria-controls="toc-Modern_use-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Modern use subsection</span> </button> <ul id="toc-Modern_use-sublist" class="vector-toc-list"> <li id="toc-Commercial_usage" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Commercial_usage"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Commercial usage</span> </div> </a> <ul id="toc-Commercial_usage-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Trademark" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Trademark"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>Trademark</span> </div> </a> <ul id="toc-Trademark-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Email_addresses" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Email_addresses"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.3</span> <span>Email addresses</span> </div> </a> <ul id="toc-Email_addresses-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Social_media" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Social_media"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.4</span> <span>Social media</span> </div> </a> <ul id="toc-Social_media-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Sports_usage" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Sports_usage"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.5</span> <span>Sports usage</span> </div> </a> <ul id="toc-Sports_usage-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Computer_languages" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Computer_languages"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.6</span> <span>Computer languages</span> </div> </a> <ul id="toc-Computer_languages-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Gender_neutrality_in_Spanish" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Gender_neutrality_in_Spanish"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.7</span> <span>Gender neutrality in Spanish</span> </div> </a> <ul id="toc-Gender_neutrality_in_Spanish-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Other_uses_and_meanings" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Other_uses_and_meanings"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.8</span> <span>Other uses and meanings</span> </div> </a> <ul id="toc-Other_uses_and_meanings-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Names_in_other_languages" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Names_in_other_languages"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Names in other languages</span> </div> </a> <ul id="toc-Names_in_other_languages-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Unicode" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Unicode"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Unicode</span> </div> </a> <button aria-controls="toc-Unicode-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Unicode subsection</span> </button> <ul id="toc-Unicode-sublist" class="vector-toc-list"> <li id="toc-Variants" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Variants"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.1</span> <span>Variants</span> </div> </a> <ul id="toc-Variants-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">At sign</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 68 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-68" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">68 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Byteken" title="Byteken – Afrikaans" lang="af" hreflang="af" data-title="Byteken" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/@" title="@ – Arabic" lang="ar" hreflang="ar" data-title="@" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Arroba_(simbolo)" title="Arroba (simbolo) – Aragonese" lang="an" hreflang="an" data-title="Arroba (simbolo)" data-language-autonym="Aragonés" data-language-local-name="Aragonese" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/%C6%8Ft_i%C5%9Far%C9%99si" title="Ət işarəsi – Azerbaijani" lang="az" hreflang="az" data-title="Ət işarəsi" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/@" title="@ – Belarusian" lang="be" hreflang="be" data-title="@" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/@" title="@ – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="@" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/@" title="@ – Bulgarian" lang="bg" hreflang="bg" data-title="@" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Znak_@" title="Znak @ – Bosnian" lang="bs" hreflang="bs" data-title="Znak @" data-language-autonym="Bosanski" data-language-local-name="Bosnian" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/@" title="@ – Catalan" lang="ca" hreflang="ca" data-title="@" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Zavin%C3%A1%C4%8D" title="Zavináč – Czech" lang="cs" hreflang="cs" data-title="Zavináč" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-co mw-list-item"><a href="https://co.wikipedia.org/wiki/Ciuvodda_(tipugrafia)" title="Ciuvodda (tipugrafia) – Corsican" lang="co" hreflang="co" data-title="Ciuvodda (tipugrafia)" data-language-autonym="Corsu" data-language-local-name="Corsican" class="interlanguage-link-target"><span>Corsu</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Snabel-a" title="Snabel-a – Danish" lang="da" hreflang="da" data-title="Snabel-a" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/At-Zeichen" title="At-Zeichen – German" lang="de" hreflang="de" data-title="At-Zeichen" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/@" title="@ – Estonian" lang="et" hreflang="et" data-title="@" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/@" title="@ – Greek" lang="el" hreflang="el" data-title="@" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Arroba_(s%C3%ADmbolo)" title="Arroba (símbolo) – Spanish" lang="es" hreflang="es" data-title="Arroba (símbolo)" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/@" title="@ – Esperanto" lang="eo" hreflang="eo" data-title="@" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/A_bildu" title="A bildu – Basque" lang="eu" hreflang="eu" data-title="A bildu" data-language-autonym="Euskara" data-language-local-name="Basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%A7%D8%AA_%D8%B3%D8%A7%DB%8C%D9%86" title="ات ساین – Persian" lang="fa" hreflang="fa" data-title="ات ساین" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Arobase" title="Arobase – French" lang="fr" hreflang="fr" data-title="Arobase" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Arroba" title="Arroba – Galician" lang="gl" hreflang="gl" data-title="Arroba" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-xal mw-list-item"><a href="https://xal.wikipedia.org/wiki/%D0%AD%D1%82_%D1%82%D0%B5%D0%BC%D0%B4%D0%B5%D0%B3" title="Эт темдег – Kalmyk" lang="xal" hreflang="xal" data-title="Эт темдег" data-language-autonym="Хальмг" data-language-local-name="Kalmyk" class="interlanguage-link-target"><span>Хальмг</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EA%B3%A8%EB%B1%85%EC%9D%B4%ED%91%9C" title="골뱅이표 – Korean" lang="ko" hreflang="ko" data-title="골뱅이표" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/@" title="@ – Armenian" lang="hy" hreflang="hy" data-title="@" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%8F%E0%A4%9F_%E0%A4%9A%E0%A4%BF%E0%A4%B9%E0%A5%8D%E0%A4%A8" title="एट चिह्न – Hindi" lang="hi" hreflang="hi" data-title="एट चिह्न" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Znak_@" title="Znak @ – Croatian" lang="hr" hreflang="hr" data-title="Znak @" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/@" title="@ – Indonesian" lang="id" hreflang="id" data-title="@" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/At-merki" title="At-merki – Icelandic" lang="is" hreflang="is" data-title="At-merki" data-language-autonym="Íslenska" data-language-local-name="Icelandic" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Chiocciola_(segno)" title="Chiocciola (segno) – Italian" lang="it" hreflang="it" data-title="Chiocciola (segno)" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%9B%D7%A8%D7%95%D7%9B%D7%99%D7%AA" title="כרוכית – Hebrew" lang="he" hreflang="he" data-title="כרוכית" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%90%D0%B9%D2%9B%D2%B1%D0%BB%D0%B0%D2%9B_%D1%82%D0%B0%D2%A3%D0%B1%D0%B0%D1%81%D1%8B" title="Айқұлақ таңбасы – Kazakh" lang="kk" hreflang="kk" data-title="Айқұлақ таңбасы" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/@" title="@ – Kurdish" lang="ku" hreflang="ku" data-title="@" data-language-autonym="Kurdî" data-language-local-name="Kurdish" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/@" title="@ – Kyrgyz" lang="ky" hreflang="ky" data-title="@" data-language-autonym="Кыргызча" data-language-local-name="Kyrgyz" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/@" title="@ – Latin" lang="la" hreflang="la" data-title="@" data-language-autonym="Latina" data-language-local-name="Latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/@" title="@ – Latvian" lang="lv" hreflang="lv" data-title="@" data-language-autonym="Latviešu" data-language-local-name="Latvian" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/At-Zeechen" title="At-Zeechen – Luxembourgish" lang="lb" hreflang="lb" data-title="At-Zeechen" data-language-autonym="Lëtzebuergesch" data-language-local-name="Luxembourgish" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Eta_(simbolis)" title="Eta (simbolis) – Lithuanian" lang="lt" hreflang="lt" data-title="Eta (simbolis)" data-language-autonym="Lietuvių" data-language-local-name="Lithuanian" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Kukac_(jel)" title="Kukac (jel) – Hungarian" lang="hu" hreflang="hu" data-title="Kukac (jel)" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/@" title="@ – Macedonian" lang="mk" hreflang="mk" data-title="@" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/@" title="@ – Malay" lang="ms" hreflang="ms" data-title="@" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/@" title="@ – Dutch" lang="nl" hreflang="nl" data-title="@" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E5%8D%98%E4%BE%A1%E8%A8%98%E5%8F%B7" title="単価記号 – Japanese" lang="ja" hreflang="ja" data-title="単価記号" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/@" title="@ – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="@" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Kr%C3%B8llalfa" title="Krøllalfa – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Krøllalfa" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Arr%C3%B2ba" title="Arròba – Occitan" lang="oc" hreflang="oc" data-title="Arròba" data-language-autonym="Occitan" data-language-local-name="Occitan" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%90%E0%A8%9F_(%E0%A8%9A%E0%A8%BF%E0%A9%B0%E0%A8%A8%E0%A9%8D%E0%A8%B9)" title="ਐਟ (ਚਿੰਨ੍ਹ) – Punjabi" lang="pa" hreflang="pa" data-title="ਐਟ (ਚਿੰਨ੍ਹ)" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="Punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Ma%C5%82pa_(znak_pisarski)" title="Małpa (znak pisarski) – Polish" lang="pl" hreflang="pl" data-title="Małpa (znak pisarski)" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Arroba_(s%C3%ADmbolo)" title="Arroba (símbolo) – Portuguese" lang="pt" hreflang="pt" data-title="Arroba (símbolo)" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/@" title="@ – Romanian" lang="ro" hreflang="ro" data-title="@" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/@" title="@ – Russian" lang="ru" hreflang="ru" data-title="@" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sah mw-list-item"><a href="https://sah.wikipedia.org/wiki/@" title="@ – Yakut" lang="sah" hreflang="sah" data-title="@" data-language-autonym="Саха тыла" data-language-local-name="Yakut" class="interlanguage-link-target"><span>Саха тыла</span></a></li><li class="interlanguage-link interwiki-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/At_sign" title="At sign – Scots" lang="sco" hreflang="sco" data-title="At sign" data-language-autonym="Scots" data-language-local-name="Scots" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/At_sign" title="At sign – Simple English" lang="en-simple" hreflang="en-simple" data-title="At sign" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Zavin%C3%A1%C4%8D_(znak)" title="Zavináč (znak) – Slovak" lang="sk" hreflang="sk" data-title="Zavináč (znak)" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Afna" title="Afna – Slovenian" lang="sl" hreflang="sl" data-title="Afna" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%97%D0%BD%D0%B0%D0%BA_%E2%80%9E%D0%B5%D1%82%E2%80%9D" title="Знак „ет” – Serbian" lang="sr" hreflang="sr" data-title="Знак „ет”" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/@" title="@ – Finnish" lang="fi" hreflang="fi" data-title="@" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Snabel-a" title="Snabel-a – Swedish" lang="sv" hreflang="sv" data-title="Snabel-a" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%B5%E0%AF%80%E0%AE%A4%E0%AE%95%E0%AF%8D_%E0%AE%95%E0%AF%81%E0%AE%B1%E0%AE%BF" title="வீதக் குறி – Tamil" lang="ta" hreflang="ta" data-title="வீதக் குறி" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%8E%E0%B0%9F%E0%B1%8D_%E0%B0%B8%E0%B1%88%E0%B0%A8%E0%B1%8D" title="ఎట్ సైన్ – Telugu" lang="te" hreflang="te" data-title="ఎట్ సైన్" data-language-autonym="తెలుగు" data-language-local-name="Telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Kuyruklu_a" title="Kuyruklu a – Turkish" lang="tr" hreflang="tr" data-title="Kuyruklu a" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/@" title="@ – Ukrainian" lang="uk" hreflang="uk" data-title="@" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%A7%DB%8C%D9%B9_%D8%B9%D9%84%D8%A7%D9%85%D8%AA" title="ایٹ علامت – Urdu" lang="ur" hreflang="ur" data-title="ایٹ علامت" data-language-autonym="اردو" data-language-local-name="Urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/A_c%C3%B2ng" title="A còng – Vietnamese" lang="vi" hreflang="vi" data-title="A còng" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wa mw-list-item"><a href="https://wa.wikipedia.org/wiki/Arobasse" title="Arobasse – Walloon" lang="wa" hreflang="wa" data-title="Arobasse" data-language-autonym="Walon" data-language-local-name="Walloon" class="interlanguage-link-target"><span>Walon</span></a></li><li class="interlanguage-link interwiki-guc mw-list-item"><a href="https://guc.wikipedia.org/wiki/Aroowa" title="Aroowa – Wayuu" lang="guc" hreflang="guc" data-title="Aroowa" data-language-autonym="Wayuunaiki" data-language-local-name="Wayuu" class="interlanguage-link-target"><span>Wayuunaiki</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/@" title="@ – Wu" lang="wuu" hreflang="wuu" data-title="@" data-language-autonym="吴语" data-language-local-name="Wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/@" title="@ – Chinese" lang="zh" hreflang="zh" data-title="@" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q10714#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div 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</div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Appearance</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to 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i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">For the custom unit represented with @, see <a href="/wiki/Arroba" title="Arroba">Arroba</a>.</div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">"@" redirects here. For the letter A within a circle, see <a href="/wiki/Enclosed_A" class="mw-redirect" title="Enclosed A">Enclosed A</a>. For other uses, see <a href="/wiki/Circled-a_(disambiguation)" class="mw-redirect mw-disambig" title="Circled-a (disambiguation)">Circled-a (disambiguation)</a>.</div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable plainlinks selfreference noprint selfref">For <a href="/wiki/Wikipedia:Naming_conventions_(technical_restrictions)" title="Wikipedia:Naming conventions (technical restrictions)">technical reasons</a>, ":@" and strings beginning with "@#" redirects here. For&#160;:@, see <a href="/wiki/List_of_emoticons" title="List of emoticons">List of emoticons</a>. For @#!*, see <a href="/wiki/Pulley_(band)#Discography" title="Pulley (band)">Pulley (band) §&#160;Discography</a>. For @#%&amp;*! Smilers, see <a href="/wiki/Fucking_Smilers" title="Fucking Smilers">Fucking Smilers</a>.</div> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox" style="max-width:20em;"><tbody><tr><th colspan="2" class="infobox-above" style="background: #ccc; font-size: 500%; line-height:1.3; font-weight:normal; font-family:&#39;times new roman&#39;, times, georgia, serif, sans-serif;">@</th></tr><tr><th colspan="2" class="infobox-header" style="background: #ccc;"><div style="background: #ccc; font-size: 125%; font-weight: bold; padding: 0.1em 0.25em 0.2em; line-height: 1.2em;">At sign</div></th></tr><tr><th scope="row" class="infobox-label">In&#160;<a href="/wiki/Unicode" title="Unicode">Unicode</a></th><td class="infobox-data"><span class="nowrap"><style data-mw-deduplicate="TemplateStyles:r886049734">.mw-parser-output .monospaced{font-family:monospace,monospace}</style><span class="monospaced">U+0040</span>&#x20;</span><span style="font-size:125%;line-height:1em">&#x40;</span> <span style="font-variant: small-caps; text-transform: lowercase;">COMMERCIAL AT</span> (<link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">&amp;commat;</span>)</td></tr><tr><th colspan="2" class="infobox-header" style="background: #ccc;">Related</th></tr><tr><th scope="row" class="infobox-label">See also</th><td class="infobox-data"><span class="nowrap"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">U+FF20</span>&#x20;</span><span style="font-size:125%;line-height:1em">&#xff20;</span> <span style="font-variant: small-caps; text-transform: lowercase;">FULLWIDTH COMMERCIAL AT</span><br /><span class="nowrap"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">U+FE6B</span>&#x20;</span><span style="font-size:125%;line-height:1em">&#xfe6b;</span> <span style="font-variant: small-caps; text-transform: lowercase;">SMALL COMMERCIAL AT</span></td></tr></tbody></table> <p>The <b>at sign</b>, <b><span class="nounderlines" style="border: 1px solid var(--border-color-muted,#ddd); color: var(--color-base); background-color: var( --background-color-neutral-subtle, #fdfdfd); padding: 1px 1px;">@</span></b>, is an <a href="/wiki/Accounting" title="Accounting">accounting</a> and <a href="/wiki/Invoice" title="Invoice">invoice</a> abbreviation meaning "at a rate of" (e.g. 7 <a href="/wiki/Widget_(economics)" title="Widget (economics)">widgets</a> @ <a href="/wiki/%C2%A3" class="mw-redirect" title="£">£</a>2 per widget = £14),<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup> now seen more widely in <a href="/wiki/Email" title="Email">email</a> addresses and <a href="/wiki/Social_media" title="Social media">social media</a> platform <a href="/wiki/User_(computing)" title="User (computing)">handles</a>. It is normally read aloud as "at" and is also commonly called the <b>at symbol</b>, <b>commercial at</b>, or <b>address sign</b>. </p><p>The absence of a single English word for the symbol has prompted some writers to use the <a href="/wiki/French_language" title="French language">French</a> <i>arobase</i>,<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup> <a href="/wiki/Occitan_language" title="Occitan language">Occitan</a> <i>arròba</i> and <a href="/wiki/Aragonese_language" title="Aragonese language">Aragonese</a>, <a href="/wiki/Catalan_language" title="Catalan language">Catalan</a>, <a href="/wiki/Portuguese_language" title="Portuguese language">Portuguese</a> and <a href="/wiki/Spanish_language" title="Spanish language">Spanish</a> <i>arroba</i>, or to coin new words such as <i>ampersat</i><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup> and <i>asperand</i>,<sup id="cite_ref-asperand_4-0" class="reference"><a href="#cite_note-asperand-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup> or the (visual) onomatopoeia <i><a href="/wiki/Strudel" title="Strudel">strudel</a></i>,<sup id="cite_ref-FOLDOC-strudel_5-0" class="reference"><a href="#cite_note-FOLDOC-strudel-5"><span class="cite-bracket">&#91;</span>5<span class="cite-bracket">&#93;</span></a></sup> but none of these have achieved wide use. </p><p>Although not included on the keyboard of the earliest commercially successful <a href="/wiki/Typewriter" title="Typewriter">typewriters</a>, it was on at least one 1889 model<sup id="cite_ref-shady_6-0" class="reference"><a href="#cite_note-shady-6"><span class="cite-bracket">&#91;</span>6<span class="cite-bracket">&#93;</span></a></sup> and the very successful <a href="/wiki/Underwood_Typewriter_Company" title="Underwood Typewriter Company">Underwood</a> models from the "Underwood No. 5" in 1900 onward. It started to be used in email addresses in the 1970s, and is now routinely included on most types of <a href="/wiki/Computer_keyboard" title="Computer keyboard">computer keyboards</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="History">History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=At_sign&amp;action=edit&amp;section=1" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure typeof="mw:File/Thumb"><a href="/wiki/File:19-manasses-chronicle.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fb/19-manasses-chronicle.jpg/180px-19-manasses-chronicle.jpg" decoding="async" width="180" height="252" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fb/19-manasses-chronicle.jpg/270px-19-manasses-chronicle.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fb/19-manasses-chronicle.jpg/360px-19-manasses-chronicle.jpg 2x" data-file-width="2333" data-file-height="3272" /></a><figcaption>@ symbol used as the initial "a" for the "amin" (amen) formula in the Bulgarian of the Manasses Chronicle, <abbr title="circa">c.</abbr><span style="white-space:nowrap;">&#8201;1345</span>.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">&#91;</span>7<span class="cite-bracket">&#93;</span></a></sup></figcaption></figure> <figure typeof="mw:File/Thumb"><a href="/wiki/File:Ariza1448-2.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/33/Ariza1448-2.jpg/180px-Ariza1448-2.jpg" decoding="async" width="180" height="84" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/33/Ariza1448-2.jpg/270px-Ariza1448-2.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/33/Ariza1448-2.jpg/360px-Ariza1448-2.jpg 2x" data-file-width="450" data-file-height="209" /></a><figcaption>The <a href="/wiki/Aragonese_people" title="Aragonese people">Aragonese</a> @ symbol used in the 1448 <i>"taula de Ariza"</i> registry to denote a wheat shipment from <a href="/wiki/Crown_of_Castile" title="Crown of Castile">Castile</a> to the <a href="/wiki/Kingdom_of_Aragon" title="Kingdom of Aragon">Kingdom of Aragon</a>.<sup id="cite_ref-TaulaDeAriza1448_8-0" class="reference"><a href="#cite_note-TaulaDeAriza1448-8"><span class="cite-bracket">&#91;</span>8<span class="cite-bracket">&#93;</span></a></sup></figcaption></figure> <figure typeof="mw:File/Thumb"><a href="/wiki/File:1674_liten.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/36/1674_liten.jpg/180px-1674_liten.jpg" decoding="async" width="180" height="22" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/36/1674_liten.jpg/270px-1674_liten.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/36/1674_liten.jpg/360px-1674_liten.jpg 2x" data-file-width="1790" data-file-height="218" /></a><figcaption>@ used to signify French "<span title="French-language text"><i lang="fr">à</i></span>" ("at") from a 1674 protocol from a <a href="/wiki/Sweden" title="Sweden">Swedish</a> court (<span title="Swedish-language text"><i lang="sv"><a href="/wiki/Arboga" title="Arboga">Arboga</a> rådhusrätt och magistrat</i></span>)</figcaption></figure> <p>The earliest yet discovered symbol in this shape is found in a <a href="/wiki/Bulgarian_language" title="Bulgarian language">Bulgarian</a> translation of a <a href="/wiki/Greek_language" title="Greek language">Greek</a> chronicle written by <a href="/wiki/Constantine_Manasses" title="Constantine Manasses">Constantinos Manasses</a> in 1345. Held today in the Vatican Apostolic Library, it features the @ symbol in place of the capital letter <a href="/wiki/Alpha" title="Alpha">alpha</a> "Α" as an <a href="/wiki/Initial" title="Initial">initial</a> in the word Amen; however, the reason behind it being used in this context is still unknown. The evolution of the symbol as used today is not recorded. </p><p>It has long been used in <a href="/wiki/Catalan_language" title="Catalan language">Catalan</a>, <a href="/wiki/Spanish_language" title="Spanish language">Spanish</a> and <a href="/wiki/Portuguese_language" title="Portuguese language">Portuguese</a> as an abbreviation of <i><a href="/wiki/Arroba" title="Arroba">arroba</a></i>, a unit of weight equivalent to 25 pounds, and derived from the <a href="/wiki/Arabic" title="Arabic">Arabic</a> expression of "the quarter" (<span title="Arabic-language text"><span lang="ar" dir="rtl">الربع</span></span> pronounced <i>ar-rubʿ</i>).<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">&#91;</span>9<span class="cite-bracket">&#93;</span></a></sup> A symbol resembling an @ is found in the Spanish "Taula de Ariza", a registry to denote a wheat shipment from Castile to Aragon, in 1448.<sup id="cite_ref-guardian_20000731_10-0" class="reference"><a href="#cite_note-guardian_20000731-10"><span class="cite-bracket">&#91;</span>10<span class="cite-bracket">&#93;</span></a></sup> The historian Giorgio Stabile claims to have traced the @ symbol to the 16th century, in a mercantile document sent by <a href="/wiki/Florence" title="Florence">Florentine</a> Francesco Lapi from <a href="/wiki/Seville" title="Seville">Seville</a> to <a href="/wiki/Rome" title="Rome">Rome</a> on May 4, 1536.<sup id="cite_ref-guardian_20000731_10-1" class="reference"><a href="#cite_note-guardian_20000731-10"><span class="cite-bracket">&#91;</span>10<span class="cite-bracket">&#93;</span></a></sup> The document is about commerce with <a href="/wiki/Pizarro" class="mw-redirect" title="Pizarro">Pizarro</a>, in particular the price of an @ of wine in <a href="/wiki/Peru" title="Peru">Peru</a>. Currently, the word <i>arroba</i> means both the at-symbol and a unit of weight. In <a href="/wiki/Venetian_language" title="Venetian language">Venetian</a>, the symbol was interpreted to mean <a href="/wiki/Amphora" title="Amphora">amphora</a> (<span title="Italian-language text"><i lang="it">anfora</i></span>), a unit of weight and volume based upon the capacity of the standard amphora jar since the 6th century. It could also mean “adi” (standard Italian “addì”, i. e. ‘on the day of’) as used on a health pass in Northern Italy in 1667.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">&#91;</span>11<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Modern_use">Modern use</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=At_sign&amp;action=edit&amp;section=2" title="Edit section: Modern use"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Commercial_usage">Commercial usage</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=At_sign&amp;action=edit&amp;section=3" title="Edit section: Commercial usage"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In contemporary English usage, @ is a commercial symbol, meaning <i>at</i> and <i>at the rate of</i> or <i>at the price of</i>. It has rarely been used in financial ledgers, and is not used in standard <a href="/wiki/Typography" title="Typography">typography</a>.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">&#91;</span>12<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Trademark">Trademark</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=At_sign&amp;action=edit&amp;section=4" title="Edit section: Trademark"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In 2012, "@" was registered as a <a href="/wiki/Trademark" title="Trademark">trademark</a> with the German Patent and Trade Mark Office.<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">&#91;</span>13<span class="cite-bracket">&#93;</span></a></sup> A cancellation request was filed in 2013, and the cancellation was ultimately confirmed by the German Federal Patent Court in 2017.<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">&#91;</span>14<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Email_addresses">Email addresses</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=At_sign&amp;action=edit&amp;section=5" title="Edit section: Email addresses"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A common contemporary use of @ is in <a href="/wiki/Email_address" title="Email address">email addresses</a> (using the <a href="/wiki/SMTP" class="mw-redirect" title="SMTP">SMTP</a> system), as in <code>jdoe@example.com</code> (the user <code>jdoe</code> located <i>at</i> the domain <code>example.com</code>). <a href="/wiki/Ray_Tomlinson" title="Ray Tomlinson">Ray Tomlinson</a> of <a href="/wiki/BBN_Technologies" class="mw-redirect" title="BBN Technologies">BBN Technologies</a> is credited for having introduced this usage in 1971.<sup id="cite_ref-asperand_4-1" class="reference"><a href="#cite_note-asperand-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">&#91;</span>15<span class="cite-bracket">&#93;</span></a></sup> This idea of the symbol representing <i>located at</i> in the form <code>user@host</code> is also seen in other tools and protocols; for example, the <a href="/wiki/Unix_shell" title="Unix shell">Unix shell</a> command <code>ssh jdoe@example.net</code> tries to establish an <a href="/wiki/Ssh" class="mw-redirect" title="Ssh">ssh</a> connection to the computer with the <a href="/wiki/Hostname" title="Hostname">hostname</a> <code>example.net</code> using the username <code>jdoe</code>. </p><p>On web pages, organizations often obscure the email addresses of their members or employees by omitting the @. This practice, known as <a href="/wiki/Address_munging" title="Address munging">address munging</a>, makes the email addresses less vulnerable to spam programs that scan the internet for them. </p> <div class="mw-heading mw-heading3"><h3 id="Social_media">Social media</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=At_sign&amp;action=edit&amp;section=6" title="Edit section: Social media"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Further information: <a href="/wiki/Mention_(blogging)" title="Mention (blogging)">Mention (blogging)</a></div> <p>On some social media platforms and forums, usernames may be prefixed with an @ (in the form <code>@johndoe</code>); this type of username is frequently referred to as a "<a href="/wiki/User_(computing)" title="User (computing)">handle</a>".<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">&#91;<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (November 2022)">citation needed</span></a></i>&#93;</sup> </p><p>On online forums without <a href="/wiki/Threaded_discussion" class="mw-redirect" title="Threaded discussion">threaded discussions</a>, @ is commonly used to denote a reply; for instance: <code>@Jane</code> to respond to a comment Jane made earlier. Similarly, in some cases, @ is used for "attention" in email messages originally sent to someone else. For example, if an email was sent from Catherine to Steve, but in the body of the email, Catherine wants to make Keirsten aware of something, Catherine will start the line <code class="mw-highlight mw-highlight-lang-text mw-content-ltr" style="" dir="ltr">@Keirsten</code> to indicate to Keirsten that the following sentence concerns her.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">&#91;<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (November 2022)">citation needed</span></a></i>&#93;</sup> This also helps with mobile email users who might not see bold or color in email. </p><p>In <a href="/wiki/Microblogging" title="Microblogging">microblogging</a> (such as on <a href="/wiki/Twitter" title="Twitter">Twitter</a>, <a href="/wiki/GNU_social" title="GNU social">GNU social</a>- and <a href="/wiki/ActivityPub" title="ActivityPub">ActivityPub</a>-based microblogs), an @ before the user name is used to send publicly readable replies (e.g. <code>@otheruser: Message text here</code>). The blog and client software can automatically interpret these as links to the user in question. When included as part of a person's or company's contact details, an @ symbol followed by a name is normally understood to refer to a Twitter handle. A similar use of the @ symbol was also made available to Facebook users on September 15, 2009.<sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">&#91;</span>16<span class="cite-bracket">&#93;</span></a></sup> In <a href="/wiki/Internet_Relay_Chat" class="mw-redirect" title="Internet Relay Chat">Internet Relay Chat</a> (IRC), it is shown before users' nicknames to denote they have operator status on a channel. </p> <div class="mw-heading mw-heading3"><h3 id="Sports_usage">Sports usage</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=At_sign&amp;action=edit&amp;section=7" title="Edit section: Sports usage"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In <a href="/wiki/American_English" title="American English">American English</a> the @ can be used to add information about a sporting event. Where opposing sports teams have their names separated by a "v" (for <a href="https://en.wiktionary.org/wiki/versus" class="extiw" title="wikt:versus">versus</a>), the <a href="/wiki/Road_(sports)" title="Road (sports)">away team</a> can be written first – and the normal "v" replaced with @ to convey at which team's home field the game will be played.<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">&#91;</span>17<span class="cite-bracket">&#93;</span></a></sup><sup class="noprint Inline-Template noprint noexcerpt Template-Fact" style="white-space:nowrap;">&#91;<i><a href="/wiki/Wikipedia:NOTRS" class="mw-redirect" title="Wikipedia:NOTRS"><span title="This claim needs references to better sources. (February 2024)">better&#160;source&#160;needed</span></a></i>&#93;</sup> This usage is not followed in <a href="/wiki/British_English" title="British English">British English</a>, since conventionally the home team is written first.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">&#91;<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (February 2024)">citation needed</span></a></i>&#93;</sup> </p> <div class="mw-heading mw-heading3"><h3 id="Computer_languages">Computer languages</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=At_sign&amp;action=edit&amp;section=8" title="Edit section: Computer languages"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>@ is used in various <a href="/wiki/Programming_language" title="Programming language">programming languages</a> and other <a href="/wiki/Computer_language" title="Computer language">computer languages</a>, although there is not a consistent theme to its usage. For example: </p> <ul><li>In <a href="/wiki/ActionScript" title="ActionScript">ActionScript</a>, @ is used in XML parsing and traversal as a string prefix to identify attributes in contrast to child elements.<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">&#91;</span>18<span class="cite-bracket">&#93;</span></a></sup></li> <li>In <a href="/wiki/Ada_(programming_language)" title="Ada (programming language)">Ada</a> 2022, @ is the <i>target name</i> symbol, an abbreviation of the <a href="/wiki/Sides_of_an_equation" title="Sides of an equation">LHS</a> of an assignment; it is used to avoid repetition of potentially long names in assignment statements.<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">&#91;</span>19<span class="cite-bracket">&#93;</span></a></sup> For example: <code>A_Very_Long_Variable_Name&#160;:= A_Very_Long_Variable_Name + 1;</code> is shortened to <code>A_Very_Long_Variable_Name&#160;:= @ + 1;</code>, increasing readability.</li> <li>In <a href="/wiki/ALGOL_68" title="ALGOL 68">ALGOL 68</a>, the @ symbol is <i>brief form</i> of the <b>at</b> <a href="/wiki/Keyword_(computer_programming)" class="mw-redirect" title="Keyword (computer programming)">keyword</a>; it is used to change the lower bound of an array. For example: <code class="mw-highlight mw-highlight-lang-text mw-content-ltr" style="" dir="ltr">arrayx[@88]</code> refers to an array starting at index 88.<sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">&#91;</span>20<span class="cite-bracket">&#93;</span></a></sup></li> <li>In Dyalog <a href="/wiki/APL_(programming_language)" title="APL (programming language)">APL</a>, @ is used as a functional way to modify or replace data <b>at</b> specific locations in an array.</li> <li>In the <a href="/wiki/ASP.NET_MVC" title="ASP.NET MVC">ASP.NET MVC</a> <a href="/wiki/Microsoft_ASP.NET_Razor_view_engine" class="mw-redirect" title="Microsoft ASP.NET Razor view engine">Razor</a> template markup syntax, the @ character denotes the start of code statement blocks or the start of text content.<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">&#91;</span>21<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">&#91;</span>22<span class="cite-bracket">&#93;</span></a></sup></li> <li>In <a href="/wiki/Assembly_language" title="Assembly language">Assembly language</a>, @ is sometimes used as a <a href="/wiki/Dereference_operator" class="mw-redirect" title="Dereference operator">dereference operator</a>.<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">&#91;</span>23<span class="cite-bracket">&#93;</span></a></sup></li> <li>In <a href="/wiki/CSS" title="CSS">CSS</a>, @ is used in special statements outside of a CSS block.<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">&#91;</span>24<span class="cite-bracket">&#93;</span></a></sup></li> <li>In <a href="/wiki/C_Sharp_(programming_language)" title="C Sharp (programming language)">C#</a>, it denotes "verbatim strings", where no characters are escaped and two double-quote characters represent a single double-quote.<sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">&#91;</span>25<span class="cite-bracket">&#93;</span></a></sup> As a prefix it also allows keywords to be used as <a href="/wiki/Identifier_(computer_programming)" class="mw-redirect" title="Identifier (computer programming)">identifiers</a>,<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">&#91;</span>26<span class="cite-bracket">&#93;</span></a></sup> a form of <a href="/wiki/Stropping_(syntax)" title="Stropping (syntax)">stropping</a>.</li> <li>In <a href="/wiki/D_(programming_language)" title="D (programming language)">D</a>, it denotes function attributes: like: <code>@safe</code>, <code>@nogc</code>, user defined <code>@('from_user')</code> which can be evaluated at compile time (with <code>__traits</code>) or <code>@property</code> to declare properties, which are functions that can be syntactically treated as if they were fields or variables.<sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">&#91;</span>27<span class="cite-bracket">&#93;</span></a></sup></li> <li>In <a href="/wiki/DIGITAL_Command_Language" title="DIGITAL Command Language">DIGITAL Command Language</a>, the @ character was the command used to execute a command procedure. To run the command procedure VMSINSTAL.COM, one would type <code>@VMSINSTAL</code> at the command prompt.</li> <li>In the <a href="/wiki/Domain_Name_System" title="Domain Name System">Domain Name System</a> (DNS), @ is used to represent the <code class="mw-highlight mw-highlight-lang-text mw-content-ltr" style="" dir="ltr">$ORIGIN</code>, typically the "root" of the domain without a prefixed sub-domain. (Ex: wikipedia.org vs. www.wikipedia.org)</li> <li>In <a href="/wiki/Forth_(programming_language)" title="Forth (programming language)">Forth</a>, it is used to fetch values from the address on the top of the stack. The operator is pronounced as "fetch".</li> <li>In <a href="/wiki/Haskell" title="Haskell">Haskell</a>, it is used in so-called <i>as-patterns</i>. This notation can be used to give aliases to <a href="/wiki/Pattern_matching" title="Pattern matching">patterns</a>, making them more readable.</li> <li>in <a href="/wiki/HTML" title="HTML">HTML</a>, it can be encoded as <code>&amp;commat;</code><sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">&#91;</span>28<span class="cite-bracket">&#93;</span></a></sup></li> <li>In <a href="/wiki/J_(programming_language)" title="J (programming language)">J</a>, denotes <a href="/wiki/Function_composition" title="Function composition">function composition</a>.</li> <li>In <a href="/wiki/Java_(programming_language)" title="Java (programming language)">Java</a>, it has been used to denote <a href="/wiki/Java_annotation" title="Java annotation">annotations</a>, a kind of metadata, since version 5.0.<sup id="cite_ref-29" class="reference"><a href="#cite_note-29"><span class="cite-bracket">&#91;</span>29<span class="cite-bracket">&#93;</span></a></sup></li> <li>In <a href="/wiki/Julia_(programming_language)" title="Julia (programming language)">Julia</a>, it denotes the invocation of a macro.<sup id="cite_ref-30" class="reference"><a href="#cite_note-30"><span class="cite-bracket">&#91;</span>30<span class="cite-bracket">&#93;</span></a></sup></li> <li>In <a href="/wiki/LiveCode" title="LiveCode">LiveCode</a>, it is prefixed to a parameter to indicate that the parameter is <a href="/wiki/Pass_by_reference" class="mw-redirect" title="Pass by reference">passed by reference</a>.</li> <li>In an <a href="/wiki/LXDE" title="LXDE">LXDE</a> autostart file (as used, for example, on the <a href="/wiki/Raspberry_Pi" title="Raspberry Pi">Raspberry Pi</a> computer), @ is prefixed to a command to indicate that the command should be automatically re-executed if it crashes.<sup id="cite_ref-31" class="reference"><a href="#cite_note-31"><span class="cite-bracket">&#91;</span>31<span class="cite-bracket">&#93;</span></a></sup></li> <li>In a <a href="/wiki/Makefile" class="mw-redirect" title="Makefile">Makefile</a>, @ specifies to not output the command before it is executed.</li> <li>In <a href="/wiki/ML_(programming_language)" title="ML (programming language)">ML</a>, it denotes list concatenation.</li> <li>In <a href="/wiki/Modal_logic" title="Modal logic">modal logic</a>, specifically when representing <a href="/wiki/Possible_world" title="Possible world">possible worlds</a>, @ is sometimes used as a logical symbol to denote the actual world (the world we are "at").</li> <li>In <a href="/wiki/Objective-C" title="Objective-C">Objective-C</a>, @ is prefixed to language-specific keywords such as @implementation and to form string literals.</li> <li>In <a href="/wiki/Pascal_(programming_language)" title="Pascal (programming language)">Pascal</a>, @ is the "address of" operator (it tells the location at which a variable is found).</li> <li>In <a href="/wiki/Perl" title="Perl">Perl</a>, @ prefixes <a href="/wiki/Variable_(programming)" class="mw-redirect" title="Variable (programming)">variables</a> which contain <a href="/wiki/Array_data_structure" class="mw-redirect" title="Array data structure">arrays</a> <code class="mw-highlight mw-highlight-lang-text mw-content-ltr" style="" dir="ltr">@array</code>, including array <a href="/wiki/Array_slicing#1987:_Perl" title="Array slicing">slices</a> <code class="mw-highlight mw-highlight-lang-text mw-content-ltr" style="" dir="ltr">@array[2..5,7,9]</code> and <a href="/wiki/Hash_table#Associative_arrays" title="Hash table">hash</a> slices <code class="mw-highlight mw-highlight-lang-perl mw-content-ltr" style="" dir="ltr"><span class="nv">@hash</span><span class="p">{</span><span class="s">&#39;foo&#39;</span><span class="p">,</span><span class="w"> </span><span class="s">&#39;bar&#39;</span><span class="p">,</span><span class="w"> </span><span class="s">&#39;baz&#39;</span><span class="p">}</span></code> or <code class="mw-highlight mw-highlight-lang-perl mw-content-ltr" style="" dir="ltr"><span class="nv">@hash</span><span class="p">{</span><span class="sx">qw(foo bar baz)</span><span class="p">}</span></code>. This use is known as a <i><a href="/wiki/Sigil_(computer_programming)" title="Sigil (computer programming)">sigil</a>.</i></li> <li>In <a href="/wiki/PHP" title="PHP">PHP</a>, it is used just before an <a href="/wiki/Expression_(programming)" class="mw-redirect" title="Expression (programming)">expression</a> to make the <a href="/wiki/Interpreter_(computing)" title="Interpreter (computing)">interpreter</a> suppress errors that would be generated from that expression.<sup id="cite_ref-32" class="reference"><a href="#cite_note-32"><span class="cite-bracket">&#91;</span>32<span class="cite-bracket">&#93;</span></a></sup></li> <li>In <a href="/wiki/Python_(programming_language)" title="Python (programming language)">Python</a> 2.4 and up, it is used to <a href="/wiki/Python_syntax_and_semantics#Decorators" title="Python syntax and semantics">decorate a function</a> (wrap the function in another one at creation time). In Python 3.5 and up, it is also used as an <a href="/wiki/Overload_(programming)" class="mw-redirect" title="Overload (programming)">overloadable</a> <a href="/wiki/Matrix_multiplication" title="Matrix multiplication">matrix multiplication</a> operator.<sup id="cite_ref-33" class="reference"><a href="#cite_note-33"><span class="cite-bracket">&#91;</span>33<span class="cite-bracket">&#93;</span></a></sup></li> <li>In <a href="/wiki/R_(programming_language)" title="R (programming language)">R</a> and <a href="/wiki/S-PLUS" title="S-PLUS">S-PLUS</a>, it is used to extract slots from S4 objects.<sup id="cite_ref-34" class="reference"><a href="#cite_note-34"><span class="cite-bracket">&#91;</span>34<span class="cite-bracket">&#93;</span></a></sup></li> <li>In <a href="/wiki/ASP.NET_Razor" title="ASP.NET Razor">Razor</a>, it is used for <a href="/wiki/C_Sharp_(programming_language)" title="C Sharp (programming language)">C#</a> code blocks.<sup id="cite_ref-35" class="reference"><a href="#cite_note-35"><span class="cite-bracket">&#91;</span>35<span class="cite-bracket">&#93;</span></a></sup></li> <li>In <a href="/wiki/Ruby_(programming_language)" title="Ruby (programming language)">Ruby</a>, it functions as a sigil: <code>@</code> prefixes <a href="/wiki/Instance_variable" title="Instance variable">instance variables</a>, and <code>@@</code> prefixes <a href="/wiki/Class_variable" title="Class variable">class variables</a>.<sup id="cite_ref-36" class="reference"><a href="#cite_note-36"><span class="cite-bracket">&#91;</span>36<span class="cite-bracket">&#93;</span></a></sup></li> <li>In <a href="/wiki/Rust_(programming_language)" title="Rust (programming language)">Rust</a>, it is used to bind values matched by a pattern to a variable.<sup id="cite_ref-37" class="reference"><a href="#cite_note-37"><span class="cite-bracket">&#91;</span>37<span class="cite-bracket">&#93;</span></a></sup></li> <li>In <a href="/wiki/Scala_(programming_language)" title="Scala (programming language)">Scala</a>, it is used to denote annotations (as in Java), and also to bind names to subpatterns in pattern-matching expressions.<sup id="cite_ref-38" class="reference"><a href="#cite_note-38"><span class="cite-bracket">&#91;</span>38<span class="cite-bracket">&#93;</span></a></sup></li> <li>In <a href="/wiki/Swift_(programming_language)" title="Swift (programming language)">Swift</a>, <code>@</code> prefixes "annotations" that can be applied to classes or members. Annotations tell the compiler to apply special semantics to the declaration like keywords, without adding keywords to the language.</li> <li>In <a href="/wiki/T-SQL" class="mw-redirect" title="T-SQL">T-SQL</a>, <code>@</code> prefixes variables and <code>@@</code> prefixes "niladic" system functions.</li> <li>In several <a href="/wiki/XBase" title="XBase">xBase</a>-type programming languages, like <a href="/wiki/DBASE" class="mw-redirect" title="DBASE">DBASE</a>, <a href="/wiki/FoxPro" title="FoxPro">FoxPro</a>/<a href="/wiki/Visual_FoxPro" title="Visual FoxPro">Visual FoxPro</a> and <a href="/wiki/Clipper_(programming_language)" title="Clipper (programming language)">Clipper</a>, it is used to denote position on the screen. For example: <code class="mw-highlight mw-highlight-lang-xbase mw-content-ltr" style="" dir="ltr">@1,1 SAY <span class="s">&quot;HELLO&quot;</span></code> to show the word "HELLO" in line 1, column 1. <ul><li>In FoxPro/Visual FoxPro, it is also used to indicate explicit <a href="/wiki/Pass_by_reference" class="mw-redirect" title="Pass by reference">pass by reference</a> of variables when calling <a href="/wiki/Subroutine" class="mw-redirect" title="Subroutine">procedures or functions</a> (but it is not an <a href="/wiki/Memory_address" title="Memory address">address</a> <a href="/wiki/Operator_(programming)" class="mw-redirect" title="Operator (programming)">operator</a>).<sup id="cite_ref-39" class="reference"><a href="#cite_note-39"><span class="cite-bracket">&#91;</span>39<span class="cite-bracket">&#93;</span></a></sup></li></ul></li> <li>In a Windows <a href="/wiki/Batch_file" title="Batch file">Batch file</a>, an <code>@</code> at the start of a line suppresses the <a href="/wiki/Echo_(command)" title="Echo (command)">echoing</a> of that command. In other words, is the same as <code>ECHO OFF</code> applied to the current line only. Normally a Windows command is executed and takes effect from the next line onward, but <code>@</code> is a rare example of a command that takes effect immediately. It is most commonly used in the form <code class="mw-highlight mw-highlight-lang-text mw-content-ltr" style="" dir="ltr">@echo off</code> which not only switches off echoing but prevents the command line itself from being echoed.<sup id="cite_ref-40" class="reference"><a href="#cite_note-40"><span class="cite-bracket">&#91;</span>40<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-41" class="reference"><a href="#cite_note-41"><span class="cite-bracket">&#91;</span>41<span class="cite-bracket">&#93;</span></a></sup></li> <li>In <a href="/wiki/Windows_PowerShell" class="mw-redirect" title="Windows PowerShell">Windows PowerShell</a>, @ is used as array operator for array and hash table literals and for enclosing here-string literals.<sup id="cite_ref-42" class="reference"><a href="#cite_note-42"><span class="cite-bracket">&#91;</span>42<span class="cite-bracket">&#93;</span></a></sup></li></ul> <div class="mw-heading mw-heading3"><h3 id="Gender_neutrality_in_Spanish">Gender neutrality in Spanish</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=At_sign&amp;action=edit&amp;section=9" title="Edit section: Gender neutrality in Spanish"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Madrid_-_Acampada_Sol_-_110521_192211.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ee/Madrid_-_Acampada_Sol_-_110521_192211.jpg/170px-Madrid_-_Acampada_Sol_-_110521_192211.jpg" decoding="async" width="170" height="227" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ee/Madrid_-_Acampada_Sol_-_110521_192211.jpg/255px-Madrid_-_Acampada_Sol_-_110521_192211.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ee/Madrid_-_Acampada_Sol_-_110521_192211.jpg/340px-Madrid_-_Acampada_Sol_-_110521_192211.jpg 2x" data-file-width="3168" data-file-height="4225" /></a><figcaption>Protester with banner showing "La revolución está en nosotr@s"</figcaption></figure> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Gender_neutrality_in_Spanish" title="Gender neutrality in Spanish">Gender neutrality in Spanish</a></div> <p>In <a href="/wiki/Spanish_language" title="Spanish language">Spanish</a>, where many words end in "-o" when in the masculine <a href="/wiki/Grammatical_gender" title="Grammatical gender">gender</a> and end "-a" in the feminine, @ is sometimes used as a <a href="/wiki/Gender-neutral_pronoun" class="mw-redirect" title="Gender-neutral pronoun">gender-neutral</a> substitute for the default "o" ending.<sup id="cite_ref-43" class="reference"><a href="#cite_note-43"><span class="cite-bracket">&#91;</span>43<span class="cite-bracket">&#93;</span></a></sup> For example, the word <i>amigos</i> traditionally represents not only male friends, but also a mixed group, or where the genders are not known. The proponents of gender-inclusive language would replace it with <i>amig@s</i> in these latter two cases, and use <i>amigos</i> only when the group referred to is all-male and <i>amigas</i> only when the group is all female. The <a href="/wiki/Real_Academia_Espa%C3%B1ola" class="mw-redirect" title="Real Academia Española">Real Academia Española</a> disapproves of this usage.<sup id="cite_ref-44" class="reference"><a href="#cite_note-44"><span class="cite-bracket">&#91;</span>44<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Other_uses_and_meanings">Other uses and meanings</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=At_sign&amp;action=edit&amp;section=10" title="Edit section: Other uses and meanings"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1251242444">.mw-parser-output .ambox{border:1px solid #a2a9b1;border-left:10px solid #36c;background-color:#fbfbfb;box-sizing:border-box}.mw-parser-output .ambox+link+.ambox,.mw-parser-output .ambox+link+style+.ambox,.mw-parser-output .ambox+link+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+style+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+link+.ambox{margin-top:-1px}html body.mediawiki .mw-parser-output .ambox.mbox-small-left{margin:4px 1em 4px 0;overflow:hidden;width:238px;border-collapse:collapse;font-size:88%;line-height:1.25em}.mw-parser-output .ambox-speedy{border-left:10px solid #b32424;background-color:#fee7e6}.mw-parser-output .ambox-delete{border-left:10px solid #b32424}.mw-parser-output .ambox-content{border-left:10px solid #f28500}.mw-parser-output .ambox-style{border-left:10px solid #fc3}.mw-parser-output .ambox-move{border-left:10px solid #9932cc}.mw-parser-output .ambox-protection{border-left:10px solid #a2a9b1}.mw-parser-output .ambox .mbox-text{border:none;padding:0.25em 0.5em;width:100%}.mw-parser-output .ambox .mbox-image{border:none;padding:2px 0 2px 0.5em;text-align:center}.mw-parser-output .ambox .mbox-imageright{border:none;padding:2px 0.5em 2px 0;text-align:center}.mw-parser-output .ambox .mbox-empty-cell{border:none;padding:0;width:1px}.mw-parser-output .ambox .mbox-image-div{width:52px}@media(min-width:720px){.mw-parser-output .ambox{margin:0 10%}}@media print{body.ns-0 .mw-parser-output .ambox{display:none!important}}</style><table class="box-More_citations_needed plainlinks metadata ambox ambox-content ambox-Refimprove" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/File:Question_book-new.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/75px-Question_book-new.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/100px-Question_book-new.svg.png 2x" data-file-width="512" data-file-height="399" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">This article <b>needs additional citations for <a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability">verification</a></b>.<span class="hide-when-compact"> Please help <a href="/wiki/Special:EditPage/At_sign" title="Special:EditPage/At sign">improve this article</a> by <a href="/wiki/Help:Referencing_for_beginners" title="Help:Referencing for beginners">adding citations to reliable sources</a>. Unsourced material may be challenged and removed.<br /><small><span class="plainlinks"><i>Find sources:</i>&#160;<a rel="nofollow" class="external text" href="https://www.google.com/search?as_eq=wikipedia&amp;q=%22At+sign%22">"At sign"</a>&#160;–&#160;<a rel="nofollow" class="external text" href="https://www.google.com/search?tbm=nws&amp;q=%22At+sign%22+-wikipedia&amp;tbs=ar:1">news</a>&#160;<b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?&amp;q=%22At+sign%22&amp;tbs=bkt:s&amp;tbm=bks">newspapers</a>&#160;<b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?tbs=bks:1&amp;q=%22At+sign%22+-wikipedia">books</a>&#160;<b>·</b> <a rel="nofollow" class="external text" href="https://scholar.google.com/scholar?q=%22At+sign%22">scholar</a>&#160;<b>·</b> <a rel="nofollow" class="external text" href="https://www.jstor.org/action/doBasicSearch?Query=%22At+sign%22&amp;acc=on&amp;wc=on">JSTOR</a></span></small></span> <span class="date-container"><i>(<span class="date">November 2021</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Atletter.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a0/Atletter.svg/150px-Atletter.svg.png" decoding="async" width="150" height="84" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a0/Atletter.svg/225px-Atletter.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a0/Atletter.svg/300px-Atletter.svg.png 2x" data-file-width="234" data-file-height="131" /></a><figcaption><a href="/wiki/Bicameral_script" class="mw-redirect" title="Bicameral script">Bicameral</a> @ letter as used in the <a href="/wiki/Koalib_language" title="Koalib language">Koalib language</a>.</figcaption></figure> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:OCR-A_char_Commercial_At.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/48/OCR-A_char_Commercial_At.svg/75px-OCR-A_char_Commercial_At.svg.png" decoding="async" width="75" height="106" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/48/OCR-A_char_Commercial_At.svg/113px-OCR-A_char_Commercial_At.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/48/OCR-A_char_Commercial_At.svg/150px-OCR-A_char_Commercial_At.svg.png 2x" data-file-width="744" data-file-height="1052" /></a><figcaption><a href="/wiki/X-SAMPA" title="X-SAMPA">X-SAMPA</a> uses an @ as a substitute for <a href="/wiki/%C6%8F" title="Ə">ə</a>, which it resembles in some fonts.</figcaption></figure> <ul><li>In (especially English) scientific and technical literature, @ is used to describe the conditions under which data are valid or a measurement has been made. E.g. the density of saltwater may read <i>d</i> = 1.050 g/cm<sup>3</sup> @ 15&#160;°C (read "at" for @), density of a gas <i>d</i> = 0.150 g/L @ 20&#160;°C, 1 bar, or noise of a car 81&#160;dB @ 80&#160;km/h (speed).<sup id="cite_ref-getproofed_45-0" class="reference"><a href="#cite_note-getproofed-45"><span class="cite-bracket">&#91;</span>45<span class="cite-bracket">&#93;</span></a></sup></li> <li>In <a href="/wiki/Philosophical_logic" title="Philosophical logic">philosophical logic</a>, '@' is used to denote the actual world (in contrast to non-actual possible worlds).<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">&#91;<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (November 2020)">citation needed</span></a></i>&#93;</sup> Analogously, a 'designated' world in a <a href="/wiki/Kripke_semantics" title="Kripke semantics">Kripke model</a> may be labelled '@'.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">&#91;<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (March 2021)">citation needed</span></a></i>&#93;</sup></li> <li>In chemical formulae, @ is used to denote <a href="/wiki/Chemical_formula#Trapped_atoms" title="Chemical formula">trapped atoms</a> or molecules.<sup id="cite_ref-YanChai_46-0" class="reference"><a href="#cite_note-YanChai-46"><span class="cite-bracket">&#91;</span>46<span class="cite-bracket">&#93;</span></a></sup> For instance, La@C<sub>60</sub> means <a href="/wiki/Lanthanum" title="Lanthanum">lanthanum</a> inside a <a href="/wiki/Fullerene" title="Fullerene">fullerene</a> cage. See article <a href="/wiki/Endohedral_fullerene" title="Endohedral fullerene">Endohedral fullerene</a> for details.</li> <li>In <a href="/wiki/Malagasy_language" title="Malagasy language">Malagasy</a>, @ is an informal abbreviation for the prepositional form <i>amin'ny</i>.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">&#91;<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (March 2021)">citation needed</span></a></i>&#93;</sup></li> <li>In <a href="/wiki/Malay_language" title="Malay language">Malay</a>, @ is an informal abbreviation for the word "atau", meaning "or" in English.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">&#91;<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (March 2021)">citation needed</span></a></i>&#93;</sup></li> <li>In <a href="/wiki/Genetics" title="Genetics">genetics</a>, @ is the abbreviation for <a href="/wiki/Locus_(genetics)" title="Locus (genetics)">locus</a>, as in <a href="/wiki/IGL@" title="IGL@">IGL@</a> for <i>immunoglobulin lambda locus</i>.<sup id="cite_ref-47" class="reference"><a href="#cite_note-47"><span class="cite-bracket">&#91;</span>47<span class="cite-bracket">&#93;</span></a></sup></li> <li>In the <a href="/wiki/Koalib_language" title="Koalib language">Koalib language</a> of <a href="/wiki/Sudan" title="Sudan">Sudan</a>, @ is used as a letter in <a href="/wiki/Arabic" title="Arabic">Arabic</a> <a href="/wiki/Loanwords" class="mw-redirect" title="Loanwords">loanwords</a>. The <a href="/wiki/Unicode_Consortium" title="Unicode Consortium">Unicode Consortium</a> rejected a proposal to encode it separately as a letter in <a href="/wiki/Unicode" title="Unicode">Unicode</a>. <a href="/wiki/SIL_International" title="SIL International">SIL International</a> uses <a href="/wiki/Private_Use_Area" class="mw-redirect" title="Private Use Area">Private Use Area</a> code points U+F247 and U+F248 for lowercase and capital versions, although they have marked this PUA representation as <a href="/wiki/Deprecated" class="mw-redirect" title="Deprecated">deprecated</a> since September 2014.<sup id="cite_ref-SILPUA_48-0" class="reference"><a href="#cite_note-SILPUA-48"><span class="cite-bracket">&#91;</span>48<span class="cite-bracket">&#93;</span></a></sup></li> <li>A <a href="/wiki/Schwa" class="mw-redirect" title="Schwa">schwa</a>, as the actual schwa character "ə" may be difficult to produce on many computers. It is used in this capacity in some <a href="/wiki/Comparison_of_ASCII_encodings_of_the_International_Phonetic_Alphabet" title="Comparison of ASCII encodings of the International Phonetic Alphabet">ASCII IPA schemes</a>, including <a href="/wiki/SAMPA" title="SAMPA">SAMPA</a> and <a href="/wiki/X-SAMPA" title="X-SAMPA">X-SAMPA</a>.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">&#91;<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (March 2021)">citation needed</span></a></i>&#93;</sup></li> <li>In <a href="/wiki/Leet" title="Leet">leet</a> it may substitute for the letter "A".<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">&#91;<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (March 2021)">citation needed</span></a></i>&#93;</sup></li> <li>It is frequently used in typing and <a href="/wiki/Text_messaging" title="Text messaging">text messaging</a> as an abbreviation for "at".<sup id="cite_ref-49" class="reference"><a href="#cite_note-49"><span class="cite-bracket">&#91;</span>49<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-getproofed_45-1" class="reference"><a href="#cite_note-getproofed-45"><span class="cite-bracket">&#91;</span>45<span class="cite-bracket">&#93;</span></a></sup></li> <li>In Portugal it may be used in typing and text messaging with the meaning "<a href="/wiki/French_kiss" title="French kiss">french kiss</a>" (<i>linguado</i>).<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">&#91;<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (March 2021)">citation needed</span></a></i>&#93;</sup></li> <li>In online discourse, @ is used by some <a href="/wiki/Anarchists" class="mw-redirect" title="Anarchists">anarchists</a> as a substitute for the traditional <a href="/wiki/Circle-A" class="mw-redirect" title="Circle-A">circle-A</a>.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">&#91;<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (March 2021)">citation needed</span></a></i>&#93;</sup></li> <li>Algebraic notation for the <a href="/wiki/Crazyhouse" title="Crazyhouse">Crazyhouse</a> chess variant: An @ between a piece and a square denotes a piece dropped onto that square from the player's reserve.<sup id="cite_ref-ficshelp_50-0" class="reference"><a href="#cite_note-ficshelp-50"><span class="cite-bracket">&#91;</span>50<span class="cite-bracket">&#93;</span></a></sup></li></ul> <div class="mw-heading mw-heading2"><h2 id="Names_in_other_languages">Names in other languages</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=At_sign&amp;action=edit&amp;section=11" title="Edit section: Names in other languages"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In many languages other than English, although most typewriters included the symbol, the use of @ was less common before email became widespread in the mid-1990s. Consequently, it is often perceived in those languages as denoting "the Internet", computerization, or modernization in general. Naming the symbol after animals is also common. </p> <ul><li>In <a href="/wiki/Afrikaans" title="Afrikaans">Afrikaans</a>, it is called <span title="Afrikaans-language text"><i lang="af">aapstert</i></span>, meaning 'monkey tail', similarly to the <a href="/wiki/Dutch_language" title="Dutch language">Dutch</a> use of the word (<i lang="nl"><a href="https://en.wiktionary.org/wiki/aap#Dutch" class="extiw" title="wikt:aap">aap</a></i> is the word for 'monkey' or 'ape' in <a href="/wiki/Dutch_language" title="Dutch language">Dutch</a>, <i lang="af"><a href="https://en.wiktionary.org/wiki/stert#Afrikaans" class="extiw" title="wikt:stert">stert</a></i> comes from the Dutch <i lang="nl"><a href="https://en.wiktionary.org/wiki/staart#Dutch" class="extiw" title="wikt:staart">staart</a></i>).</li> <li>In <a href="/wiki/Arabic" title="Arabic">Arabic</a>, it is <span title="Arabic-language text"><span lang="ar" dir="rtl">آتْ</span></span> (<span title="Arabic-language text"><i lang="ar-Latn">at</i></span>).</li> <li>In <a href="/wiki/Armenian_language" title="Armenian language">Armenian</a>, it is <span lang="hy"><a href="https://en.wiktionary.org/wiki/%D5%B7%D5%B6%D5%AB%D5%AF#Armenian" class="extiw" title="wikt:շնիկ">շնիկ</a></span> (<span title="Armenian-language text"><i lang="hy-Latn">shnik</i></span>), which means 'puppy'.</li> <li>In <a href="/wiki/Azerbaijani_language" title="Azerbaijani language">Azerbaijani</a>, it is <span title="Azerbaijani-language text"><i lang="az">ət</i></span> (<span title="Azerbaijani-language text"><i lang="az-Latn">at</i></span>) which means 'meat', though most likely it is a phonetic transliteration of <i>at</i>.</li> <li>In <a href="/wiki/Basque_language" title="Basque language">Basque</a>, it is <span title="Basque-language text"><i lang="eu">a bildua</i></span> ('wrapped A').</li> <li>In <a href="/wiki/Belarusian_language" title="Belarusian language">Belarusian</a>, it is called <span lang="be"><a href="https://en.wiktionary.org/wiki/%D1%81%D1%8C%D0%BB%D1%96%D0%BC%D0%B0%D0%BA#Belarusian" class="extiw" title="wikt:сьлімак">сьлімак</a></span> (<span title="Belarusian-language text"><i lang="be-Latn">sʹlimak</i></span>, meaning 'helix' or 'snail').</li> <li>In <a href="/wiki/Bosnian_language" title="Bosnian language">Bosnian</a>, it is <span title="Bosnian-language text"><i lang="bs">ludo a</i></span> ('crazy A').</li> <li>In <a href="/wiki/Bulgarian_language" title="Bulgarian language">Bulgarian</a>, it is called <span title="Bulgarian-language text"><span lang="bg">кльомба</span></span> (<span title="Bulgarian-language text"><i lang="bg-Latn">klyomba</i></span> – 'a badly written letter'), <span title="Bulgarian-language text"><span lang="bg">маймунско а</span></span> (<span title="Bulgarian-language text"><i lang="bg-Latn">maymunsko a</i></span> – 'monkey A'), <span title="Bulgarian-language text"><span lang="bg">маймунка</span></span> (<span title="Bulgarian-language text"><i lang="bg-Latn">maimunka</i></span> – 'little monkey'), or <span title="Bulgarian-language text"><span lang="bg">баница</span></span> (<span title="Bulgarian-language text"><i lang="bg-Latn">banitsa</i></span> – a pastry roll often made in a shape similar to the character)</li> <li>In <a href="/wiki/Catalan_language" title="Catalan language">Catalan</a>, it is called <i lang="ca"><a href="https://en.wiktionary.org/wiki/arrova#Catalan" class="extiw" title="wikt:arrova">arrova</a></i> (a unit of measure) or <span title="Catalan-language text"><i lang="ca"><a href="/wiki/Ensa%C3%AFmada" title="Ensaïmada">ensaïmada</a></i></span> (a <a href="/wiki/Mallorca" title="Mallorca">Mallorcan</a> pastry, because of the similar shape of this food).</li> <li>In <a href="/wiki/Chinese_language" title="Chinese language">Chinese</a>: <ul><li>In <a href="/wiki/Mainland_China" title="Mainland China">mainland China</a>, it used to be called <span lang="zh"><a href="https://en.wiktionary.org/wiki/%E5%9C%88#Chinese" class="extiw" title="wikt:圈">圈A</a></span> (pronounced <span title="Chinese-language text"><i lang="zh-Latn">quān A</i></span>), meaning 'circled A' / '<a href="/wiki/Enclosed_A" class="mw-redirect" title="Enclosed A">enclosed A</a>', or <span lang="zh"><a href="https://en.wiktionary.org/wiki/%E8%8A%B1#Chinese" class="extiw" title="wikt:花">花A</a></span> (pronounced <span title="Chinese-language text"><i lang="zh-Latn">huā A</i></span>), meaning 'lacy A', and sometimes as <span lang="zh"><a href="https://en.wiktionary.org/wiki/%E5%B0%8F%E8%80%81%E9%BC%A0#Chinese" class="extiw" title="wikt:小老鼠">小老鼠</a></span> (pronounced <span title="Chinese-language text"><i lang="zh-Latn">xiǎo lǎoshǔ</i></span>), meaning 'little <a href="/wiki/Mouse" title="Mouse">mouse</a>'.<sup id="cite_ref-esteem_51-0" class="reference"><a href="#cite_note-esteem-51"><span class="cite-bracket">&#91;</span>51<span class="cite-bracket">&#93;</span></a></sup> Nowadays, for most of China's youth, it is called <span lang="zh"><a href="https://en.wiktionary.org/wiki/%E8%89%BE%E7%89%B9#Chinese" class="extiw" title="wikt:艾特">艾特</a></span> (pronounced <span title="Chinese-language text"><i lang="zh-Latn">ài tè</i></span>), which is a phonetic transcription of <i>at</i>.</li> <li>In <a href="/wiki/Taiwan" title="Taiwan">Taiwan</a>, it is <span lang="zh"><a href="https://en.wiktionary.org/wiki/%E5%B0%8F%E8%80%81%E9%BC%A0#Chinese" class="extiw" title="wikt:小老鼠">小老鼠</a></span> (pronounced <span title="Chinese-language text"><i lang="zh-Latn">xiǎo lǎoshǔ</i></span>), meaning 'little <a href="/wiki/Mouse" title="Mouse">mouse</a>'.</li> <li>In <a href="/wiki/Hong_Kong" title="Hong Kong">Hong Kong</a> and <a href="/wiki/Macau" title="Macau">Macau</a>, it is <i>at</i>.</li></ul></li> <li>In <a href="/wiki/Croatian_language" title="Croatian language">Croatian</a>, it is most often referred to by the English word <i>at</i> (pronounced <i>et</i>), and less commonly and more formally, with the preposition <i lang="sh"><a href="https://en.wiktionary.org/wiki/pri#Serbo-Croatian" class="extiw" title="wikt:pri">pri</a></i> (with the addressee in the <a href="/wiki/Nominative_case" title="Nominative case">nominative case</a>, not <a href="/wiki/Locative" class="mw-redirect" title="Locative">locative</a> as per usual <a href="/wiki/Rection" class="mw-redirect" title="Rection">rection</a> of <span title="Croatian-language text"><i lang="hr">pri</i></span>), meaning 'at', '<span title="French-language text"><i lang="fr">chez</i></span>' or 'by'. Informally, it is called a <i lang="sh"><a href="https://en.wiktionary.org/wiki/manki#Serbo-Croatian" class="extiw" title="wikt:manki">manki</a></i>, coming from the local pronunciation of the English word <i>monkey</i>. Note that the Croatian words for monkey, <i lang="sh"><a href="https://en.wiktionary.org/wiki/majmun#Serbo-Croatian" class="extiw" title="wikt:majmun">majmun</a></i>, <i lang="sh"><a href="https://en.wiktionary.org/wiki/opica#Serbo-Croatian" class="extiw" title="wikt:opica">opica</a></i>, <span title="Croatian-language text"><i lang="hr">jopec</i></span>, <span title="Croatian-language text"><i lang="hr">šimija</i></span> are not used to denote the symbol, except seldom the latter words regionally.</li> <li>In <a href="/wiki/Czech_language" title="Czech language">Czech</a> it is called <i lang="cs"><a href="https://en.wiktionary.org/wiki/zavin%C3%A1%C4%8D#Czech" class="extiw" title="wikt:zavináč">zavináč</a></i>, which means '<a href="/wiki/Rollmops" title="Rollmops">rollmops</a>'; the same word is used in <a href="/wiki/Slovak_language" title="Slovak language">Slovak</a>.</li> <li>In <a href="/wiki/Danish_language" title="Danish language">Danish</a>, it is <i lang="da"><a href="https://en.wiktionary.org/wiki/snabel-a#Danish" class="extiw" title="wikt:snabel-a">snabel-a</a></i> ('<a href="/wiki/Elephant" title="Elephant">elephant</a>'s trunk A'). It is not used for prices, where in Danish <i lang="da"><a href="https://en.wiktionary.org/wiki/%C3%A0#Danish" class="extiw" title="wikt:à">à</a></i> means 'at (per piece)'.</li> <li>In <a href="/wiki/Dutch_language" title="Dutch language">Dutch</a>, it is called <i lang="nl"><a href="https://en.wiktionary.org/wiki/apenstaart#Dutch" class="extiw" title="wikt:apenstaart">apenstaart</a></i> ('monkey's tail'). The <i>a</i> is the first character of the Dutch word <i lang="nl"><a href="https://en.wiktionary.org/wiki/aap#Dutch" class="extiw" title="wikt:aap">aap</a></i> which means 'monkey' or 'ape'; <i lang="nl"><a href="https://en.wiktionary.org/wiki/apen#Dutch" class="extiw" title="wikt:apen">apen</a></i> is the plural of <span title="Dutch-language text"><i lang="nl">aap</i></span>. However, the use of the English <i>at</i> has become increasingly popular in Dutch.</li> <li>In <a href="/wiki/Esperanto" title="Esperanto">Esperanto</a>, it is called <i lang="eo"><a href="https://en.wiktionary.org/wiki/%C4%89e#Esperanto" class="extiw" title="wikt:ĉe">ĉe-signo</a></i> ('at'&#160;– for the email use, with an address like "zamenhof@esperanto.org" pronounced <span title="Esperanto-language text"><i lang="eo">zamenhof ĉe esperanto punkto org</i></span>), <i lang="eo"><a href="https://en.wiktionary.org/wiki/po#Esperanto" class="extiw" title="wikt:po">po-signo</a></i> ('each' – refers only to the mathematical use), or <i lang="eo"><a href="https://en.wiktionary.org/wiki/heliko#Esperanto" class="extiw" title="wikt:heliko">heliko</a></i> (meaning 'snail').</li> <li>In <a href="/wiki/Estonian_language" title="Estonian language">Estonian</a>, it is called <span title="Estonian-language text"><i lang="et">ätt</i></span>, from the English word <i>at</i>.</li> <li>In <a href="/wiki/Faroese_language" title="Faroese language">Faroese</a>, it is <i lang="fo"><a href="https://en.wiktionary.org/wiki/kurla#Faroese" class="extiw" title="wikt:kurla">kurla</a></i>, <i lang="fo"><a href="https://en.wiktionary.org/wiki/hj%C3%A1#Faroese" class="extiw" title="wikt:hjá">hjá</a></i> ('at'), <span title="Faroese-language text"><i lang="fo">tranta</i></span>, or <span title="Faroese-language text"><i lang="fo">snápil-a</i></span> ('[elephant's] trunk A').</li> <li>In <a href="/wiki/Finnish_language" title="Finnish language">Finnish</a>, it was originally called <i lang="fi"><a href="https://en.wiktionary.org/wiki/taksamerkki#Finnish" class="extiw" title="wikt:taksamerkki">taksamerkki</a></i> ("fee sign") or <i lang="fi"><a href="https://en.wiktionary.org/wiki/yksikk%C3%B6hinta#Finnish" class="extiw" title="wikt:yksikköhinta">yksikköhinnan merkki</a></i> ("unit price sign"), but these names are long obsolete and now rarely understood. Nowadays, it is officially <i lang="fi"><a href="https://en.wiktionary.org/wiki/%C3%A4t-merkki#Finnish" class="extiw" title="wikt:ät-merkki">ät-merkki</a></i>, according to the national standardization institute <a href="/wiki/Finnish_Standards_Association" title="Finnish Standards Association">SFS</a>; frequently also spelled <span title="Finnish-language text"><i lang="fi">at-merkki</i></span>. Other names include <i lang="fi"><a href="https://en.wiktionary.org/wiki/kissanh%C3%A4nt%C3%A4#Finnish" class="extiw" title="wikt:kissanhäntä">kissanhäntä</a></i> ('cat's tail') and <i lang="fi"><a href="https://en.wiktionary.org/wiki/miuku_mauku#Finnish" class="extiw" title="wikt:miuku mauku">miuku mauku</a></i> ('miaow-meow') or short; “miu-mau”.</li> <li>In <a href="/wiki/French_language" title="French language">French</a>, it is now officially the <i lang="fr"><a href="https://en.wiktionary.org/wiki/arobase#French" class="extiw" title="wikt:arobase">arobase</a></i><sup id="cite_ref-52" class="reference"><a href="#cite_note-52"><span class="cite-bracket">&#91;</span>52<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-53" class="reference"><a href="#cite_note-53"><span class="cite-bracket">&#91;</span>53<span class="cite-bracket">&#93;</span></a></sup> (also spelled <span title="French-language text"><i lang="fr">arrobase</i></span> or <i lang="fr"><a href="https://en.wiktionary.org/wiki/arrobe#French" class="extiw" title="wikt:arrobe">arrobe</a></i>), or <span title="Quebec French-language text"><i lang="fr-CA">a commercial</i></span> (though this is most commonly used in French-speaking Canada, and should normally only be used when quoting prices; it should always be called <span title="French-language text"><i lang="fr">arobase</i></span> or, better yet, <span title="French-language text"><i lang="fr">arobas</i></span> when in an email address). Its origin is the same as that of the <a href="/wiki/Spanish_language" title="Spanish language">Spanish</a> word, which could be derived from the <a href="/wiki/Arabic" title="Arabic">Arabic</a> <span title="Arabic-language text"><i lang="ar-Latn">ar-roub</i></span> (&#8207;<span lang="ar" dir="rtl"><a href="https://en.wiktionary.org/wiki/%D8%B1%D8%A8%D8%B9#Arabic" class="extiw" title="wikt:ربع">اَلرُّبْع</a></span>&#8206;). In France, it is also common (especially for younger generations) to say the English word <i>at</i> when spelling out an email address.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">&#91;<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (July 2013)">citation needed</span></a></i>&#93;</sup> In everyday <a href="/wiki/Qu%C3%A9bec_French" class="mw-redirect" title="Québec French">Québec French</a>, one often hears <span title="Quebec French-language text"><i lang="fr-CA">a commercial</i></span> when sounding out an e-mail address, while TV and radio hosts are more likely to use <span title="French-language text"><i lang="fr">arobase</i></span>.</li> <li>In <a href="/wiki/Georgian_language" title="Georgian language">Georgian</a>, it is <span title="Georgian-language text"><i lang="ka-Latn">at</i></span>, spelled <span title="Georgian-language text"><span lang="ka">ეთ–ი</span></span> (<span lang="ka"><a href="https://en.wiktionary.org/wiki/%E1%83%99%E1%83%9D%E1%83%9B%E1%83%94%E1%83%A0%E1%83%AA%E1%83%98%E1%83%A3%E1%83%9A%E1%83%98#Georgian" class="extiw" title="wikt:კომერციული">კომერციული ეთ–ი</a></span>, <span title="Georgian-language text"><i lang="ka-Latn">ḳomerciuli et-i</i></span>).</li> <li>In <a href="/wiki/German_language" title="German language">German</a>, it has sometimes been referred to as <span title="German-language text"><i lang="de">Klammeraffe</i></span> (meaning '<a href="/wiki/Spider_monkey" title="Spider monkey">spider monkey</a>') or <span title="German-language text"><i lang="de">Affenschwanz</i></span> (meaning '<a href="/wiki/Monkey" title="Monkey">monkey</a> <a href="/wiki/Tail" title="Tail">tail</a>'). <span title="German-language text"><i lang="de">Klammeraffe</i></span> or <span title="German-language text"><i lang="de">Affenschwanz</i></span> refer to the similarity of @ to the tail of a monkey.<sup id="cite_ref-54" class="reference"><a href="#cite_note-54"><span class="cite-bracket">&#91;</span>54<span class="cite-bracket">&#93;</span></a></sup> More recently,<sup class="noprint Inline-Template" style="white-space:nowrap;">&#91;<i><a href="/wiki/Wikipedia:Manual_of_Style/Dates_and_numbers#Chronological_items" title="Wikipedia:Manual of Style/Dates and numbers"><span title="The time period mentioned near this tag is ambiguous. (March 2024)">when?</span></a></i>&#93;</sup> it is commonly referred to as <span title="German-language text"><i lang="de">at</i></span>, as in English.</li> <li>In <a href="/wiki/Greek_language" title="Greek language">Greek</a>, it is called <span lang="el"><a href="https://en.wiktionary.org/wiki/%CF%80%CE%B1%CF%80%CE%AC%CE%BA%CE%B9#Greek" class="extiw" title="wikt:παπάκι">παπάκι</a></span> meaning 'duckling'.</li> <li>In <a href="/wiki/Greenlandic_language" title="Greenlandic language">Greenlandic</a>, an Inuit language, it is called <i lang="kl"><a href="https://en.wiktionary.org/wiki/-usaq#Kalaallisut" class="extiw" title="wikt:-usaq">aajusaq</a></i> meaning 'A-like' or 'something that looks like A'.</li> <li>In <a href="/wiki/Hebrew" class="mw-redirect" title="Hebrew">Hebrew</a>, it is colloquially known as <span lang="he"><a href="https://en.wiktionary.org/wiki/%D7%A9%D7%98%D7%A8%D7%95%D7%93%D7%9C#Hebrew" class="extiw" title="wikt:שטרודל">שְׁטְרוּדֶל</a></span> (<span title="Hebrew-language text"><i lang="he-Latn"><a href="/wiki/Strudel" title="Strudel">shtrúdel</a></i></span>), due to the visual resemblance to a cross-section cut of a <a href="/wiki/Strudel" title="Strudel">strudel</a> cake. The normative term, invented by the <a href="/wiki/Academy_of_the_Hebrew_Language" title="Academy of the Hebrew Language">Academy of the Hebrew Language</a>, is <span lang="he"><a href="https://en.wiktionary.org/wiki/%D7%9B%D7%A8%D7%95%D7%9B%D7%99%D7%AA#Hebrew" class="extiw" title="wikt:כרוכית">כְּרוּכִית</a></span> (<span title="Hebrew-language text"><i lang="he-Latn">krukhít</i></span>), which is another Hebrew word for 'strudel', but is rarely used.</li> <li>In <a href="/wiki/Hindi" title="Hindi">Hindi</a>, it is <span title="Hindi-language text"><i lang="hi-Latn">at</i></span>, from the English word.</li> <li>In <a href="/wiki/Hungarian_language" title="Hungarian language">Hungarian</a>, it is called <i lang="hu"><a href="https://en.wiktionary.org/wiki/kukac#Hungarian" class="extiw" title="wikt:kukac">kukac</a></i> (a playful synonym for 'worm' or 'maggot').</li> <li>In <a href="/wiki/Icelandic_language" title="Icelandic language">Icelandic</a>, it is referred to as <i lang="is"><a href="https://en.wiktionary.org/wiki/merki#Icelandic" class="extiw" title="wikt:merki">atmerkið</a></i> ("the at sign") or <i lang="is"><a href="https://en.wiktionary.org/wiki/hj%C3%A1#Icelandic" class="extiw" title="wikt:hjá">hjá</a></i>, which is a direct translation of the English word <i>at</i>.</li> <li>In <a href="/wiki/Indian_English" title="Indian English">Indian English</a>, speakers often say <i>at the rate of</i> (with e-mail addresses quoted as "example <i>at the rate of</i> example.com").<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">&#91;<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (October 2019)">citation needed</span></a></i>&#93;</sup></li> <li>In <a href="/wiki/Indonesian_language" title="Indonesian language">Indonesian</a>, it is usually <span title="Indonesian-language text"><i lang="id">et</i></span>. Variations exist&#160;– especially if verbal communication is very noisy&#160;– such as <i lang="id"><a href="https://en.wiktionary.org/wiki/bundar#Indonesian" class="extiw" title="wikt:bundar">a bundar</a></i> and <i lang="id"><a href="https://en.wiktionary.org/wiki/bulat#Indonesian" class="extiw" title="wikt:bulat">a bulat</a></i> (both meaning '<a href="/wiki/Circle" title="Circle">circled</a> A'), <i lang="id"><a href="https://en.wiktionary.org/wiki/keong#Indonesian" class="extiw" title="wikt:keong">a keong</a></i> ('<a href="/wiki/Snail" title="Snail">snail</a> A'), and (most rarely) <i lang="id"><a href="https://en.wiktionary.org/wiki/monyet#Indonesian" class="extiw" title="wikt:monyet">a monyet</a></i> ('<a href="/wiki/Monkey" title="Monkey">monkey</a> A').</li> <li>In <a href="/wiki/Irish_language" title="Irish language">Irish</a>, it is <i lang="ga"><a href="https://en.wiktionary.org/wiki/ag#Irish" class="extiw" title="wikt:ag">ag</a></i> (meaning 'at') or <i lang="ga"><a href="https://en.wiktionary.org/wiki/comhartha#Irish" class="extiw" title="wikt:comhartha">comhartha @/ag</a></i> (meaning 'at sign').</li> <li>In <a href="/wiki/Italian_language" title="Italian language">Italian</a>, it is <i lang="it"><a href="https://en.wiktionary.org/wiki/chiocciola#Italian" class="extiw" title="wikt:chiocciola">chiocciola</a></i> ('<a href="/wiki/Snail" title="Snail">snail</a>') or <i lang="it"><a href="https://en.wiktionary.org/wiki/commerciale#Italian" class="extiw" title="wikt:commerciale">a commerciale</a></i>, sometimes <span title="Italian-language text"><i lang="it">at</i></span> (pronounced more often <span class="IPA nowrap" lang="it-Latn-fonipa"><a href="/wiki/Help:IPA/Italian" title="Help:IPA/Italian">&#91;ˈɛt&#93;</a></span> and rarely <span class="IPA nowrap" lang="und-Latn-fonipa" title="Representation in the International Phonetic Alphabet (IPA)">[ˈat]</span>) or <i lang="it"><a href="https://en.wiktionary.org/wiki/ad#Italian" class="extiw" title="wikt:ad">ad</a></i>.</li> <li>In <a href="/wiki/Japanese_language" title="Japanese language">Japanese</a>, it is called <i lang="ja"><a href="https://en.wiktionary.org/wiki/atto_m%C4%81ku#Japanese" class="extiw" title="wikt:atto māku">atto māku</a></i> (<span lang="ja"><a href="https://en.wiktionary.org/wiki/%E3%82%A2%E3%83%83%E3%83%88%E3%83%9E%E3%83%BC%E3%82%AF#Japanese" class="extiw" title="wikt:アットマーク">アットマーク</a></span>, from the English words <i>at mark</i>). The word is <span title="Japanese-language text"><i lang="ja-Latn"><a href="/wiki/Wasei-eigo" title="Wasei-eigo">wasei-eigo</a></i></span>, a loan word from the English language.</li> <li>In <a href="/wiki/Kazakh_language" title="Kazakh language">Kazakh</a>, it is officially called <span title="Kazakh-language text"><span lang="kk">айқұлақ</span></span> (<span title="Kazakh-language text"><i lang="kk-Latn">aıqulaq</i></span>, 'moon's ear').</li> <li>In <a href="/wiki/Korean_language" title="Korean language">Korean</a>, it is called <span title="Korean-language text"><i lang="ko-Latn">golbaeng-i</i></span> (<span title="Korean-language text"><span lang="ko">골뱅이</span></span>, meaning 'whelk'), a dialectal form of <a href="/wiki/Whelk" title="Whelk">whelk</a>.</li> <li>In <a href="/wiki/Kurdish_languages" class="mw-redirect" title="Kurdish languages">Kurdish</a>, it is <span title="Kurdish-language text"><i lang="ku-Latn">at</i></span> or <span title="Kurdish-language text"><i lang="ku-Latn">et</i></span> (Latin <a href="/wiki/Kurdish_alphabets" title="Kurdish alphabets">Hawar script</a>), <span title="Kurdish-language text"><span lang="ku-Arab" dir="rtl">ئەت</span></span> (Perso-Arabic <a href="/wiki/Sorani_alphabet" class="mw-redirect" title="Sorani alphabet">Sorani script</a>) coming from the English word <i>at</i>.</li> <li>In <a href="/wiki/Latvian_language" title="Latvian language">Latvian</a>, it is pronounced the same as in English, but, since in Latvian <span class="IPA nowrap" lang="und-fonipa" title="Representation in the International Phonetic Alphabet (IPA)">&#91;<a href="/wiki/Near-open_front_unrounded_vowel" title="Near-open front unrounded vowel">æ</a>&#93;</span> is written as "e" (not "a" as in English), it is sometimes written as <span title="Latvian-language text"><i lang="lv">et</i></span>.</li> <li>In <a href="/wiki/Lithuanian_language" title="Lithuanian language">Lithuanian</a>, it is pronounced <span title="Lithuanian-language text"><i lang="lt">eta</i></span> (equivalent to the English <i>at</i>).</li> <li>In <a href="/wiki/Luxembourgish" title="Luxembourgish">Luxembourgish</a> it used to be called <span title="Luxembourgish-language text"><i lang="lb">Afeschwanz</i></span> ('monkey tail'), but due to widespread use, it is now called <span title="Luxembourgish-language text"><i lang="lb">at</i></span>, as in English.</li> <li>In <a href="/wiki/Macedonian_language" title="Macedonian language">Macedonian</a>, it is called <span lang="mk"><a href="https://en.wiktionary.org/wiki/%D0%BC%D0%B0%D1%98%D0%BC%D1%83%D0%BD%D1%87%D0%B5#Macedonian" class="extiw" title="wikt:мајмунче">мајмунче</a></span> (<span title="Macedonian-language text"><i lang="mk-Latn">majmunče</i></span>, <span class="IPA nowrap" lang="mk-Latn-fonipa"><a href="/wiki/Help:IPA/Macedonian" title="Help:IPA/Macedonian">&#91;ˈmajmuntʃɛ&#93;</a></span>, 'little monkey').</li> <li>In <a href="/wiki/Malaysia" title="Malaysia">Malaysia</a>, it is called <span title="Malay (macrolanguage)-language text"><i lang="ms">alias</i></span> when it is used in names and <i lang="ms"><a href="https://en.wiktionary.org/wiki/di#Malay" class="extiw" title="wikt:di">di</a></i> when it is used in email addresses, <span title="Malay (macrolanguage)-language text"><i lang="ms">di</i></span> being the <a href="/wiki/Malaysian_language" class="mw-redirect" title="Malaysian language">Malay</a> word for 'at'. It is also commonly used to abbreviate <i lang="ms"><a href="https://en.wiktionary.org/wiki/atau#Malay" class="extiw" title="wikt:atau">atau</a></i> which means 'or', 'either'.</li> <li>In <a href="/wiki/Morse_code#Letters,_numbers,_punctuation,_prosigns_for_Morse_code_and_non-Latin_variants" title="Morse code">Morse code</a>, it is known as a "<a href="/wiki/Prosigns_for_Morse_code" title="Prosigns for Morse code">commat</a>", consisting of the Morse code for the "A" and "C" which run together as one character: <span style="font-family: monospace; font-size: 40%; vertical-align: 1.5ex; white-space: pre-wrap;">&#160;&#160;&#9604;&#160;&#9604;&#9604;&#9604;&#160;&#9604;&#9604;&#9604;&#160;&#9604;&#160;&#9604;&#9604;&#9604;&#160;&#9604;&#160;</span>. The symbol was added in 2004 for use with email addresses,<sup id="cite_ref-55" class="reference"><a href="#cite_note-55"><span class="cite-bracket">&#91;</span>55<span class="cite-bracket">&#93;</span></a></sup> the only official change to Morse code since <a href="/wiki/World_War_I" title="World War I">World War I</a>.</li> <li>In <a href="/wiki/Nepali_language" title="Nepali language">Nepali</a>, the symbol is called "at the rate." Commonly, people will give their email addresses by including the phrase "at the rate".<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">&#91;<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (October 2019)">citation needed</span></a></i>&#93;</sup></li> <li>In <a href="/wiki/Norwegian_language" title="Norwegian language">Norwegian</a>, it is officially called <span title="Norwegian-language text"><i lang="no">krøllalfa</i></span> ('curly <a href="/wiki/Alpha" title="Alpha">alpha</a>' or 'alpha twirl'), and commonly as <span title="Norwegian-language text"><i lang="no">alfakrøll</i></span>. Sometimes <span title="Danish-language text"><i lang="da">snabel-a</i></span>, the Swedish/Danish name (which means 'trunk A', as in 'elephant's trunk'), is used. Commonly, people will call the symbol <span class="IPA nowrap" lang="und-Latn-fonipa" title="Representation in the International Phonetic Alphabet (IPA)">[æt]</span> (as in English), particularly when giving their email addresses. The computer manufacturer <a href="/wiki/Norsk_Data" title="Norsk Data">Norsk Data</a> used it as the command prompt, and it was often called "grisehale" (pig's tail).</li> <li>In <a href="/wiki/Persian_language" title="Persian language">Persian</a>, it is <span title="Persian-language text"><span lang="fa" dir="rtl">ات</span></span>, <span title="Persian-language text"><i lang="fa-Latn">at</i></span>, from the English word.</li> <li>In <a href="/wiki/Polish_language" title="Polish language">Polish</a>, it is commonly called <i lang="pl"><a href="https://en.wiktionary.org/wiki/ma%C5%82pa#Polish" class="extiw" title="wikt:małpa">małpa</a></i> ('monkey'). Rarely, the English word <i>at</i> is used.</li> <li>In <a href="/wiki/Portuguese_language" title="Portuguese language">Portuguese</a>, it is called <i lang="pt"><a href="https://en.wiktionary.org/wiki/arroba#Portuguese" class="extiw" title="wikt:arroba">arroba</a></i> (from the Arabic <span title="Arabic-language text"><i lang="ar-Latn">ar-roub</i></span>, &#8207;<span lang="ar" dir="rtl"><a href="https://en.wiktionary.org/wiki/%D8%B1%D8%A8%D8%B9#Arabic" class="extiw" title="wikt:ربع">اَلرُّبْع</a></span>&#8206;). The word <span title="Portuguese-language text"><i lang="pt"><a href="/wiki/Arroba" title="Arroba">arroba</a></i></span> is also used for a weight measure in Portuguese. One arroba is equivalent to 32 old Portuguese pounds, approximately 14.7&#160;kg (32&#160;lb), and both the weight and the symbol are called <span title="Portuguese-language text"><i lang="pt">arroba</i></span>. In Brazil, <a href="/wiki/Cattle" title="Cattle">cattle</a> are still priced by the <span title="Portuguese-language text"><i lang="pt">arroba</i></span>&#160;– now rounded to 15&#160;kg (33&#160;lb). This naming is because the at sign was used to represent this measure.</li> <li>In <a href="/wiki/Romanian_language" title="Romanian language">Romanian</a>, it is most commonly called <span title="Romanian-language text"><i lang="ro">at</i></span>, but also colloquially called <span title="Romanian-language text"><i lang="ro"><a href="https://en.wiktionary.org/wiki/coad%C4%83" class="extiw" title="wikt:coadă">coadă</a> de <a href="https://en.wiktionary.org/wiki/maimu%C8%9B%C4%83" class="extiw" title="wikt:maimuță">maimuță</a></i></span> ("monkey tail") or <span title="Romanian-language text"><i lang="ro">a-rond</i></span>. The latter is commonly used, and it comes from the word <i>round</i> (from its shape), but that is nothing like the mathematical symbol <span title="Romanian-language text"><i lang="ro">A-rond</i></span> (rounded A). Others call it <span title="Romanian-language text"><i lang="ro">aron</i></span>, or <span title="Romanian-language text"><i lang="ro">la</i></span> (Romanian word for 'at').</li></ul> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Basic_interpreter_on_the_DVK_computer.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d3/Basic_interpreter_on_the_DVK_computer.JPG/220px-Basic_interpreter_on_the_DVK_computer.JPG" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d3/Basic_interpreter_on_the_DVK_computer.JPG/330px-Basic_interpreter_on_the_DVK_computer.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d3/Basic_interpreter_on_the_DVK_computer.JPG/440px-Basic_interpreter_on_the_DVK_computer.JPG 2x" data-file-width="980" data-file-height="735" /></a><figcaption>@ on a <a href="/wiki/DVK" title="DVK">DVK</a> Soviet computer (<abbr title="circa">c.</abbr><span style="white-space:nowrap;">&#8201;1984</span>)</figcaption></figure> <ul><li>In <a href="/wiki/Russian_language" title="Russian language">Russian</a>, it is commonly called <span title="Russian-language text"><span lang="ru">соба[ч]ка</span></span> (<span title="Russian-language text"><i lang="ru-Latn">soba[ch]ka</i></span> – '[little] dog').</li> <li>In <a href="/wiki/Serbian_language" title="Serbian language">Serbian</a>, it is called <span lang="sh"><a href="https://en.wiktionary.org/wiki/%D0%BB%D1%83%D0%B4#Serbo-Croatian" class="extiw" title="wikt:луд">лудо А</a></span> (<span title="Serbian-language text"><i lang="sr-Latn">ludo A</i></span> – 'crazy A'), <span lang="sh"><a href="https://en.wiktionary.org/wiki/%D0%BC%D0%B0%D1%98%D0%BC%D1%83%D0%BD%D1%87%D0%B5#Serbo-Croatian" class="extiw" title="wikt:мајмунче">мајмунче</a></span> (<span title="Serbian-language text"><i lang="sr-Latn">majmunče</i></span> – 'little monkey'), or <span lang="sh"><a href="https://en.wiktionary.org/wiki/%D0%BC%D0%B0%D1%98%D0%BC%D1%83%D0%BD#Serbo-Croatian" class="extiw" title="wikt:мајмун">мајмун</a></span> (<span title="Serbian-language text"><i lang="sr-Latn">majmun</i></span> – 'monkey').</li> <li>In <a href="/wiki/Slovak_language" title="Slovak language">Slovak</a>, it is called <i lang="cs"><a href="https://en.wiktionary.org/wiki/zavin%C3%A1%C4%8D#Czech" class="extiw" title="wikt:zavináč">zavináč</a></i> ('rollmop', a pickled fish roll, as in Czech).</li> <li>In <a href="/wiki/Slovene_language" title="Slovene language">Slovenian</a>, it is called <span title="Slovene-language text"><i lang="sl">afna</i></span> (an informal word for 'monkey').</li> <li>In <a href="/wiki/Spanish_language" title="Spanish language">Spanish-speaking</a> countries, it is called <i lang="es"><a href="https://en.wiktionary.org/wiki/arroba#Spanish" class="extiw" title="wikt:arroba">arroba</a></i> (from the Arabic <span title="Arabic-language text"><i lang="ar-Latn">ar-roub</i></span>, which denotes a pre-metric unit of weight). While there are regional variations in <a href="/wiki/Spain" title="Spain">Spain</a>, <a href="/wiki/Mexico" title="Mexico">Mexico</a>, <a href="/wiki/Colombia" title="Colombia">Colombia</a>, <a href="/wiki/Ecuador" title="Ecuador">Ecuador</a>, and <a href="/wiki/Peru" title="Peru">Peru</a> it is typically considered to represent approximately 11.5&#160;kg (25&#160;lb).<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">&#91;<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (February 2022)">citation needed</span></a></i>&#93;</sup></li> <li>In <a href="/wiki/S%C3%A1mi_languages" title="Sámi languages">Sámi</a> (<a href="/wiki/North_S%C3%A1mi" class="mw-redirect" title="North Sámi">North Sámi</a>), it is called <span title="Northern Sami-language text"><i lang="se">bussáseaibi</i></span> meaning 'cat's tail'.</li> <li>In <a href="/wiki/Swedish_language" title="Swedish language">Swedish</a>, it is called <i lang="sv"><a href="https://en.wiktionary.org/wiki/snabel-a#Swedish" class="extiw" title="wikt:snabel-a">snabel-a</a></i> ('<a href="/wiki/Elephant" title="Elephant">elephant</a>'s trunk A') or simply <span title="Swedish-language text"><i lang="sv">at</i></span>, as in the English language. Less formally it is also known as <i lang="sv"><a href="https://en.wiktionary.org/wiki/kanelbulle#Swedish" class="extiw" title="wikt:kanelbulle">kanelbulle</a></i> ('<a href="/wiki/Cinnamon_roll" title="Cinnamon roll">cinnamon roll</a>') or <span title="Swedish-language text"><i lang="sv">alfakrull</i></span> ('<a href="/wiki/Alpha" title="Alpha">alpha</a> curl').</li> <li>In <a href="/wiki/Swiss_German" title="Swiss German">Swiss German</a>, it is commonly called <span title="Alemannic German-language text"><i lang="gsw">Affenschwanz</i></span> ('monkey-tail'). However, the use of the English word <span title="Alemannic German-language text"><i lang="gsw">at</i></span> has become increasingly popular in Swiss German, as with Standard German.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">&#91;<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (October 2019)">citation needed</span></a></i>&#93;</sup></li> <li>In <a href="/wiki/Tagalog_language" title="Tagalog language">Tagalog</a>, the word <i lang="tl"><a href="https://en.wiktionary.org/wiki/at#Tagalog" class="extiw" title="wikt:at">at</a></i> means 'and', so the symbol is used like an ampersand in colloquial writing such as text messages (e.g. <span title="Tagalog-language text"><i lang="tl">magluto @ kumain</i></span>, 'cook and eat').</li> <li>In <a href="/wiki/Thai_language" title="Thai language">Thai</a>, it is commonly called <span title="Thai-language text"><i lang="th-Latn">at</i></span>, as in English.</li> <li>In <a href="/wiki/Turkish_language" title="Turkish language">Turkish</a>, it is commonly called <span title="Turkish-language text"><i lang="tr">et</i></span>, a variant pronunciation of English <i>at</i>.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">&#91;<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (October 2019)">citation needed</span></a></i>&#93;</sup></li> <li>In <a href="/wiki/Ukrainian_language" title="Ukrainian language">Ukrainian</a>, it is commonly called <span title="Ukrainian-language text"><span lang="uk">ет</span></span> (<span title="Ukrainian-language text"><i lang="uk-Latn">et</i></span> – 'at') or Равлик (ravlyk), which means 'snail'.</li> <li>In <a href="/wiki/Urdu" title="Urdu">Urdu</a>, it is <span title="Urdu-language text"><span lang="ur" dir="rtl">اٹ</span></span> (<span title="Urdu-language text"><i lang="ur-Latn">at</i></span>).</li> <li>In <a href="/wiki/Uzbek_language" title="Uzbek language">Uzbek</a>, it is commonly called <span title="Uzbek-language text"><i lang="uz">kuchukcha</i></span> ('little dog').<sup id="cite_ref-56" class="reference"><a href="#cite_note-56"><span class="cite-bracket">&#91;</span>56<span class="cite-bracket">&#93;</span></a></sup></li> <li>In <a href="/wiki/Vietnamese_language" title="Vietnamese language">Vietnamese</a>, it is called <i lang="vi"><a href="https://en.wiktionary.org/wiki/a_c%C3%B2ng#Vietnamese" class="extiw" title="wikt:a còng">a còng</a></i> ('bent A') in <a href="/wiki/Northern_Vietnam" title="Northern Vietnam">the north</a> and <i lang="vi"><a href="https://en.wiktionary.org/wiki/a_m%C3%B3c#Vietnamese" class="extiw" title="wikt:a móc">a móc</a></i> ('hooked A') in <a href="/wiki/Southern_Vietnam" title="Southern Vietnam">the south</a>.</li> <li>In <a href="/wiki/Welsh_language" title="Welsh language">Welsh</a>, it is sometimes known as a <span title="Welsh-language text"><i lang="cy">malwen</i></span> or <i lang="cy"><a href="https://en.wiktionary.org/wiki/malwod#Welsh" class="extiw" title="wikt:malwod">malwoden</a></i> (both meaning "snail").</li></ul> <div class="mw-heading mw-heading2"><h2 id="Unicode">Unicode</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=At_sign&amp;action=edit&amp;section=12" title="Edit section: Unicode"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In Unicode, the at sign is encoded as <span class="nowrap"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">U+0040</span>&#x20;</span><span style="font-size:125%;line-height:1em">&#x40;</span> <span style="font-variant: small-caps; text-transform: lowercase;">COMMERCIAL AT</span> (<link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">&amp;commat;</span>). The named entity <code>&amp;commat;</code> was introduced in HTML5.<sup id="cite_ref-57" class="reference"><a href="#cite_note-57"><span class="cite-bracket">&#91;</span>57<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Variants">Variants</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=At_sign&amp;action=edit&amp;section=13" title="Edit section: Variants"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="wikitable template-charmap" style="text-align:right"> <caption>Character information </caption> <tbody><tr style="text-align:center"> <th scope="row">Preview</th> <th colspan="2" style="font-size:150%">&#x40;</th> <th colspan="2" style="font-size:150%">&#xff20;</th> <th colspan="2" style="font-size:150%">&#xfe6b; </th></tr> <tr style="text-align:center;"> <th><style data-mw-deduplicate="TemplateStyles:r1061632564">.mw-parser-output table.template-charmap tr:first-child{height:50px}.mw-parser-output table.template-charmap tr:first-child th[colspan]{height:100%}.mw-parser-output table.template-charmap tr:first-child th[colspan]>div{height:100%;display:flex;justify-content:center}.mw-parser-output table.template-charmap tr:first-child th[colspan]>div>div{display:flex;flex-direction:column;padding:0 0.5em}.mw-parser-output table.template-charmap tr:first-child th[colspan]>div>div>span:nth-child(2){margin:auto;padding:10px 0;font-size:150%;line-height:1}.mw-parser-output table.template-charmap .smallcaps-cm{font-size:85%}.mw-parser-output table.template-charmap td:first-child{text-align:left}.mw-parser-output table.template-charmap .template-charmap-numchr td:nth-child(n/**/+2){font-size:90%;padding:2px}</style>Unicode name </th> <td colspan="2" class="smallcaps-cm">COMMERCIAL AT </td> <td colspan="2" class="smallcaps-cm">FULLWIDTH COMMERCIAL AT </td> <td colspan="2" class="smallcaps-cm">SMALL COMMERCIAL AT </td></tr> <tr> <th style="text-align:left;">Encodings</th> <th>decimal</th> <th>hex</th> <th>dec</th> <th>hex</th> <th>dec</th> <th>hex </th></tr> <tr> <td><a href="/wiki/Unicode" title="Unicode">Unicode</a></td> <td>64</td> <td>U+0040</td> <td>65312</td> <td>U+FF20</td> <td>65131</td> <td>U+FE6B </td></tr> <tr> <td><a href="/wiki/UTF-8" title="UTF-8">UTF-8</a></td> <td>64</td> <td>40</td> <td>239 188 160</td> <td>EF BC A0</td> <td>239 185 171</td> <td>EF B9 AB </td></tr> <tr> <td><a href="/wiki/Numeric_character_reference" title="Numeric character reference">Numeric character reference</a></td> <td>&amp;#64;<wbr /></td> <td>&amp;#x40;<wbr /></td> <td>&amp;#65312;<wbr /></td> <td>&amp;#xFF20;<wbr /></td> <td>&amp;#65131;<wbr /></td> <td>&amp;#xFE6B;<wbr /> </td></tr> <tr style="text-align:center"> <td><a href="/wiki/List_of_XML_and_HTML_character_entity_references" title="List of XML and HTML character entity references">Named character reference</a></td> <td colspan="2">&amp;commat;</td> <td colspan="2"></td> <td colspan="2"> </td></tr> <tr> <td><a href="/wiki/ASCII" title="ASCII">ASCII</a> and <a href="/wiki/Extended_ASCII" title="Extended ASCII">extensions</a></td> <td>64</td> <td>40</td> <td></td> <td></td> <td></td> <td> </td></tr> <tr> <td><a href="/wiki/EBCDIC" title="EBCDIC">EBCDIC</a> (037, 500, <a href="/wiki/UTF-EBCDIC" title="UTF-EBCDIC">UTF</a>)<sup id="cite_ref-58" class="reference"><a href="#cite_note-58"><span class="cite-bracket">&#91;</span>58<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-59" class="reference"><a href="#cite_note-59"><span class="cite-bracket">&#91;</span>59<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-utr16cdra_60-0" class="reference"><a href="#cite_note-utr16cdra-60"><span class="cite-bracket">&#91;</span>60<span class="cite-bracket">&#93;</span></a></sup></td> <td>124</td> <td>7C</td> <td></td> <td></td> <td></td> <td> </td></tr> <tr> <td><a href="/wiki/EBCDIC" title="EBCDIC">EBCDIC</a> (1026)<sup id="cite_ref-61" class="reference"><a href="#cite_note-61"><span class="cite-bracket">&#91;</span>61<span class="cite-bracket">&#93;</span></a></sup></td> <td>174</td> <td>AE</td> <td></td> <td></td> <td></td> <td> </td></tr> <tr> <td><a href="/wiki/Shift_JIS" title="Shift JIS">Shift JIS</a><sup id="cite_ref-shift_jis-utc_62-0" class="reference"><a href="#cite_note-shift_jis-utc-62"><span class="cite-bracket">&#91;</span>62<span class="cite-bracket">&#93;</span></a></sup></td> <td>64</td> <td>40</td> <td>129 151</td> <td>81 97</td> <td></td> <td> </td></tr> <tr> <td><a href="/wiki/EUC-JP" class="mw-redirect" title="EUC-JP">EUC-JP</a><sup id="cite_ref-euc-jp-2007_63-0" class="reference"><a href="#cite_note-euc-jp-2007-63"><span class="cite-bracket">&#91;</span>63<span class="cite-bracket">&#93;</span></a></sup></td> <td>64</td> <td>40</td> <td>161 247</td> <td>A1 F7</td> <td></td> <td> </td></tr> <tr> <td><a href="/wiki/EUC-KR" class="mw-redirect" title="EUC-KR">EUC-KR</a><sup id="cite_ref-euc-kr-ibm970_64-0" class="reference"><a href="#cite_note-euc-kr-ibm970-64"><span class="cite-bracket">&#91;</span>64<span class="cite-bracket">&#93;</span></a></sup> / <a href="/wiki/Unified_Hangul_Code" title="Unified Hangul Code">UHC</a><sup id="cite_ref-uhc-ms949_65-0" class="reference"><a href="#cite_note-uhc-ms949-65"><span class="cite-bracket">&#91;</span>65<span class="cite-bracket">&#93;</span></a></sup></td> <td>64</td> <td>40</td> <td>163 192</td> <td>A3 C0</td> <td></td> <td> </td></tr> <tr> <td><a href="/wiki/GB_18030" title="GB 18030">GB 18030</a><sup id="cite_ref-gb18030_66-0" class="reference"><a href="#cite_note-gb18030-66"><span class="cite-bracket">&#91;</span>66<span class="cite-bracket">&#93;</span></a></sup></td> <td>64</td> <td>40</td> <td>163 192</td> <td>A3 C0</td> <td>169 136</td> <td>A9 88 </td></tr> <tr> <td><a href="/wiki/Big5" title="Big5">Big5</a><sup id="cite_ref-big5hkscs-html5_67-0" class="reference"><a href="#cite_note-big5hkscs-html5-67"><span class="cite-bracket">&#91;</span>67<span class="cite-bracket">&#93;</span></a></sup></td> <td>64</td> <td>40</td> <td>162 73</td> <td>A2 49</td> <td>162 78</td> <td>A2 4E </td></tr> <tr> <td><a href="/wiki/EUC-TW" class="mw-redirect" title="EUC-TW">EUC-TW</a></td> <td>64</td> <td>40</td> <td>162 233</td> <td>A2 E9</td> <td>162 238</td> <td>A2 EE </td></tr> <tr style="text-align:center"> <td><a href="/wiki/LaTeX" title="LaTeX">LaTeX</a><sup id="cite_ref-latexnames_68-0" class="reference"><a href="#cite_note-latexnames-68"><span class="cite-bracket">&#91;</span>68<span class="cite-bracket">&#93;</span></a></sup></td> <td colspan="2">\MVAt</td> <td colspan="2"></td> <td colspan="2"> </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=At_sign&amp;action=edit&amp;section=14" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/ASCII" title="ASCII">ASCII</a></li> <li><a href="/wiki/Circle-A" class="mw-redirect" title="Circle-A">Circle-A</a></li> <li><a href="/wiki/Enclosed_A" class="mw-redirect" title="Enclosed A">Enclosed A</a> (<a href="/wiki/%E2%92%B6" class="mw-redirect" title="Ⓐ">Ⓐ</a>, <a href="/wiki/%E2%92%B6" class="mw-redirect" title="Ⓐ">ⓐ</a>)</li> <li><a href="/wiki/Unicode" title="Unicode">Unicode</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=At_sign&amp;action=edit&amp;section=15" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text">See, for example, Browns Index to Photocomposition Typography (p. 37), Greenwood Publishing, 1983, <style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&#160;<a href="/wiki/Special:BookSources/0946824002" title="Special:BookSources/0946824002">0946824002</a></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.lrb.co.uk/v31/n10/daniel-soar/short-cuts">"Short Cuts"</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20120723221838/http://www.lrb.co.uk/v31/n10/daniel-soar/short-cuts">Archived</a> 2012-07-23 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>, Daniel Soar, Vol. 31 No. 10 · 28 May 2009 page 18, London Review of Books</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFDavid_Bowen2011" class="citation news cs1">David Bowen (23 October 2011). <a rel="nofollow" class="external text" href="https://www.independent.co.uk/life-style/bits-bytes-1317440.html">"Bits &amp; bytes"</a>. <i>The Independent</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20180709013247/https://www.independent.co.uk/life-style/bits-bytes-1317440.html">Archived</a> from the original on 9 July 2018. <q>… Tim Gowens offered the highly logical "ampersat" …</q></cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=The+Independent&amp;rft.atitle=Bits+%26+bytes&amp;rft.date=2011-10-23&amp;rft.au=David+Bowen&amp;rft_id=https%3A%2F%2Fwww.independent.co.uk%2Flife-style%2Fbits-bytes-1317440.html&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-asperand-4"><span class="mw-cite-backlink">^ <a href="#cite_ref-asperand_4-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-asperand_4-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFJemima_Kiss2010" class="citation news cs1">Jemima Kiss (28 March 2010). <a rel="nofollow" class="external text" href="https://www.theguardian.com/theobserver/2010/mar/28/moma-asperand-ray-tomlinson-design">"New York's Moma claims @ as a design classic"</a>. <i>The Observer</i>. <a 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Retrieved <span class="nowrap">14 December</span> 2016</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=The+Observer&amp;rft.atitle=New+York%27s+Moma+claims+%40+as+a+design+classic&amp;rft.date=2010-03-28&amp;rft.au=Jemima+Kiss&amp;rft_id=https%3A%2F%2Fwww.theguardian.com%2Ftheobserver%2F2010%2Fmar%2F28%2Fmoma-asperand-ray-tomlinson-design&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-FOLDOC-strudel-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOLDOC-strudel_5-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://foldoc.org/strudel">"strudel"</a>. FOLDOC. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20141129145120/http://foldoc.org/strudel">Archived</a> from the original on 2014-11-29<span class="reference-accessdate">. Retrieved <span class="nowrap">2014-11-21</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=strudel&amp;rft.pub=FOLDOC&amp;rft_id=http%3A%2F%2Ffoldoc.org%2Fstrudel&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-shady-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-shady_6-0">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.shadycharacters.co.uk/2011/08/the-symbol-part-2-of-2/">"The @-symbol, part 2 of 2"</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20141225121941/http://www.shadycharacters.co.uk/2011/08/the-symbol-part-2-of-2/">Archived</a> 2014-12-25 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>, <i><a rel="nofollow" class="external text" href="http://www.shadycharacters.co.uk/">Shady Characters ⌂ The secret life of punctuation</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20141221071159/http://www.shadycharacters.co.uk/">Archived</a> 2014-12-21 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a></i></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://digi.vatlib.it/view/MSS_Vat.slav.2/0145">"Vat.slav.2, f. 62r"</a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20221114160351/https://digi.vatlib.it/view/MSS_Vat.slav.2/0145">Archived</a> from the original on 2022-11-14<span class="reference-accessdate">. Retrieved <span class="nowrap">2022-11-14</span></span> &#8211; via <a href="/wiki/Vatican_Library" title="Vatican Library">Vatican Library</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=Vat.slav.2%2C+f.+62r&amp;rft_id=https%3A%2F%2Fdigi.vatlib.it%2Fview%2FMSS_Vat.slav.2%2F0145&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-TaulaDeAriza1448-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-TaulaDeAriza1448_8-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.purnas.com/2009/06/30/la-arroba-no-es-de-sevilla-ni-de-italia">"La arroba no es de Sevilla (ni de Italia)"</a>. <i>purnas.com</i>. 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Retrieved <span class="nowrap">2009-06-30</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=purnas.com&amp;rft.atitle=La+arroba+no+es+de+Sevilla+%28ni+de+Italia%29&amp;rft_id=http%3A%2F%2Fwww.purnas.com%2F2009%2F06%2F30%2Fla-arroba-no-es-de-sevilla-ni-de-italia&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://lema.rae.es/drae/?val=arroba">"arroba"</a>. <i>Diccionario de la Real Academia Española</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20121029023131/http://lema.rae.es/drae/?val=arroba">Archived</a> from the original on 29 October 2012<span class="reference-accessdate">. Retrieved <span class="nowrap">3 August</span> 2012</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=Diccionario+de+la+Real+Academia+Espa%C3%B1ola&amp;rft.atitle=arroba&amp;rft_id=http%3A%2F%2Flema.rae.es%2Fdrae%2F%3Fval%3Darroba&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-guardian_20000731-10"><span class="mw-cite-backlink">^ <a href="#cite_ref-guardian_20000731_10-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-guardian_20000731_10-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWillan2000" class="citation news cs1">Willan, Philip (2000-07-31). <a rel="nofollow" class="external text" href="https://www.theguardian.com/international/story/0,3604,348744,00.html">"Merchant@Florence Wrote It First 500 Years Ago"</a>. <i>The Guardian</i>. London. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20220126032007/https://www.theguardian.com/technology/2000/jul/31/internetnews.internationalnews">Archived</a> from the original on 2022-01-26<span class="reference-accessdate">. Retrieved <span class="nowrap">2010-04-25</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=The+Guardian&amp;rft.atitle=Merchant%40Florence+Wrote+It+First+500+Years+Ago&amp;rft.date=2000-07-31&amp;rft.aulast=Willan&amp;rft.aufirst=Philip&amp;rft_id=https%3A%2F%2Fwww.theguardian.com%2Finternational%2Fstory%2F0%2C3604%2C348744%2C00.html&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-11">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external autonumber" href="https://geschichte-s-h.de/wp-content/uploads/2021/04/Mitteilungen-100.pdf">[1]</a> Jürgen Beyer, ‘Gesundheitspässe und Impfatteste’, <i>Gesellschaft für Schleswig-Holsteinische Geschichte. Mitteilungen</i> 100 (2021), 21–29, reproduction on p. 26.</span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-12">^</a></b></span> <span class="reference-text"><a href="/wiki/Bringhurst,_Robert" class="mw-redirect" title="Bringhurst, Robert">Bringhurst, Robert</a> (2002). <i><a href="/wiki/The_Elements_of_Typographic_Style" title="The Elements of Typographic Style">The Elements of Typographic Style</a></i> (version 2.5), p.272. Vancouver: Hartley &amp; Marks. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&#160;<a href="/wiki/Special:BookSources/0-88179-133-4" title="Special:BookSources/0-88179-133-4">0-88179-133-4</a>.</span> </li> <li id="cite_note-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-13">^</a></b></span> <span class="reference-text">German Patent and Trademark Office, registration number <a rel="nofollow" class="external text" href="https://register.dpma.de/DPMAregister/marke/register/3020120383386/DE?lang=en">302012038338</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20121102053509/http://register.dpma.de/DPMAregister/marke/register/3020120383386/DE?lang=en">Archived</a> 2012-11-02 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>.</span> </li> <li id="cite_note-14"><span class="mw-cite-backlink"><b><a href="#cite_ref-14">^</a></b></span> <span class="reference-text">Bundespatentgericht, decision of 22 February 2017, no. 26 W (pat) 44/14 (<a rel="nofollow" class="external text" href="http://juris.bundespatentgericht.de/cgi-bin/rechtsprechung/document.py?Gericht=bpatg&amp;Art=en&amp;Datum=Aktuell&amp;Sort=12288&amp;nr=29334&amp;pos=1&amp;anz=162&amp;Blank=1.pdf">online</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20190322140609/http://juris.bundespatentgericht.de/cgi-bin/rechtsprechung/document.py?Gericht=bpatg&amp;Art=en&amp;Datum=Aktuell&amp;Sort=12288&amp;nr=29334&amp;pos=1&amp;anz=162&amp;Blank=1.pdf">Archived</a> 2019-03-22 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>).</span> </li> <li id="cite_note-15"><span class="mw-cite-backlink"><b><a href="#cite_ref-15">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFRay_Tomlinson" class="citation web cs1"><a href="/wiki/Ray_Tomlinson" title="Ray Tomlinson">Ray Tomlinson</a>. <a rel="nofollow" class="external text" href="http://openmap.bbn.com/~tomlinso/ray/firstemailframe.html">"The First Email"</a>. <a href="/wiki/BBN_Technologies" class="mw-redirect" title="BBN Technologies">BBN Technologies</a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20060506003539/http://openmap.bbn.com/~tomlinso/ray/firstemailframe.html">Archived</a> from the original on 2006-05-06.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=The+First+Email&amp;rft.pub=BBN+Technologies&amp;rft.au=Ray+Tomlinson&amp;rft_id=http%3A%2F%2Fopenmap.bbn.com%2F~tomlinso%2Fray%2Ffirstemailframe.html&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-16"><span class="mw-cite-backlink"><b><a href="#cite_ref-16">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20091026120029/http://blog.facebook.com/blog.php?post=109765592130">"Tag Friends in Your Status and Posts – Facebook Blog"</a>. Archived from <a rel="nofollow" class="external text" href="http://blog.facebook.com/blog.php?post=109765592130">the original</a> on 2009-10-26.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=Tag+Friends+in+Your+Status+and+Posts+%E2%80%93+Facebook+Blog&amp;rft_id=http%3A%2F%2Fblog.facebook.com%2Fblog.php%3Fpost%3D109765592130&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-17"><span class="mw-cite-backlink"><b><a href="#cite_ref-17">^</a></b></span> <span class="reference-text">For an example, see: <a rel="nofollow" class="external free" href="http://www.nfl.com/schedules">http://www.nfl.com/schedules</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20110623181004/http://www.nfl.com/schedules">Archived</a> 2011-06-23 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a></span> </li> <li id="cite_note-18"><span class="mw-cite-backlink"><b><a href="#cite_ref-18">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/operators.html#attribute_identifier">"Operators – Adobe ActionScript® 3 (AS3) API Reference"</a>. <i>help.adobe.com</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20230512112456/https://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/operators.html#attribute_identifier">Archived</a> from the original on 2023-05-12<span class="reference-accessdate">. Retrieved <span class="nowrap">2023-05-12</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=help.adobe.com&amp;rft.atitle=Operators+%E2%80%93+Adobe+ActionScript%C2%AE+3+%28AS3%29+API+Reference&amp;rft_id=https%3A%2F%2Fhelp.adobe.com%2Fen_US%2FFlashPlatform%2Freference%2Factionscript%2F3%2Foperators.html%23attribute_identifier&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-19"><span class="mw-cite-backlink"><b><a href="#cite_ref-19">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.ada-auth.org/standards/22rm/html/rm-5-2-1.html">"Ada Reference Manual (Ada 2022). Target Name Symbols"</a>. <i>ada-auth.org</i><span class="reference-accessdate">. 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Microsoft, Inc. 18 June 2008. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20121022193155/http://msdn.microsoft.com/en-us/library/z9b11381.aspx">Archived</a> from the original on 2012-10-22<span class="reference-accessdate">. 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Retrieved <span class="nowrap">2018-09-11</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=docs.microsoft.com&amp;rft.atitle=echo&amp;rft_id=https%3A%2F%2Fdocs.microsoft.com%2Fen-us%2Fwindows-server%2Fadministration%2Fwindows-commands%2Fecho&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-41"><span class="mw-cite-backlink"><b><a href="#cite_ref-41">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://ss64.com/nt/echo.html">"Echo - Windows CMD - SS64.com"</a>. <i>ss64.com</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20180911191818/https://ss64.com/nt/echo.html">Archived</a> from the original on 2018-09-11<span class="reference-accessdate">. Retrieved <span class="nowrap">2018-09-11</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=ss64.com&amp;rft.atitle=Echo+-+Windows+CMD+-+SS64.com&amp;rft_id=https%3A%2F%2Fss64.com%2Fnt%2Fecho.html&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-42"><span class="mw-cite-backlink"><b><a href="#cite_ref-42">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.microsoft.com/en-us/download/details.aspx?id=36389">"Windows PowerShell Language Specification Version 3.0"</a>. <i>Microsoft Download Center</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20220126032007/https://www.microsoft.com/en-us/download/details.aspx?id=36389">Archived</a> from the original on 2022-01-26<span class="reference-accessdate">. Retrieved <span class="nowrap">2013-10-29</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=Microsoft+Download+Center&amp;rft.atitle=Windows+PowerShell+Language+Specification+Version+3.0&amp;rft_id=http%3A%2F%2Fwww.microsoft.com%2Fen-us%2Fdownload%2Fdetails.aspx%3Fid%3D36389&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-43"><span class="mw-cite-backlink"><b><a href="#cite_ref-43">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMartell-Otero2009" class="citation journal cs1">Martell-Otero, Loida (Fall 2009). "Doctoral Studies as Llamamiento, or How We All Need to be 'Ugly Betty'<span class="cs1-kern-right"></span>". <i>Perspectivas</i>: 84–106.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Perspectivas&amp;rft.atitle=Doctoral+Studies+as+Llamamiento%2C+or+How+We+All+Need+to+be+%27Ugly+Betty%27&amp;rft.ssn=fall&amp;rft.pages=84-106&amp;rft.date=2009&amp;rft.aulast=Martell-Otero&amp;rft.aufirst=Loida&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-44"><span class="mw-cite-backlink"><b><a href="#cite_ref-44">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.rae.es/dpd/">"Diccionario panhispánico de dudas"</a>. <i>«Diccionario panhispánico de dudas»</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20210406113617/https://www.rae.es/dpd/">Archived</a> from the original on 2021-04-06<span class="reference-accessdate">. Retrieved <span class="nowrap">2021-04-02</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=%C2%ABDiccionario+panhisp%C3%A1nico+de+dudas%C2%BB&amp;rft.atitle=Diccionario+panhisp%C3%A1nico+de+dudas&amp;rft_id=https%3A%2F%2Fwww.rae.es%2Fdpd%2F&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-getproofed-45"><span class="mw-cite-backlink">^ <a href="#cite_ref-getproofed_45-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-getproofed_45-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://getproofed.com/writing-tips/when-to-use-the-at-symbol-in-writing/">"When to Use the At Symbol (@) in Writing"</a>. 11 December 2019. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20211110171325/https://getproofed.com/writing-tips/when-to-use-the-at-symbol-in-writing/">Archived</a> from the original on 10 November 2021<span class="reference-accessdate">. Retrieved <span class="nowrap">10 November</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=When+to+Use+the+At+Symbol+%28%40%29+in+Writing&amp;rft.date=2019-12-11&amp;rft_id=https%3A%2F%2Fgetproofed.com%2Fwriting-tips%2Fwhen-to-use-the-at-symbol-in-writing%2F&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-YanChai-46"><span class="mw-cite-backlink"><b><a href="#cite_ref-YanChai_46-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFChai,_YanGuo,_TingJin,_ChangmingHaufler,_Robert_E.1991" class="citation journal cs1">Chai, Yan; Guo, Ting; Jin, Changming; Haufler, Robert E.; Chibante, L. P. Felipe; Fure, Jan; Wang, Lihong; Alford, J. Michael; Smalley, Richard E. (1991). 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Priest (January 17, 2019) <a rel="nofollow" class="external text" href="http://scripts.sil.org/cms/scripts/page.php?site_id=nrsi&amp;item_id=SILPUAassignments"><i>SIL Corporate PUA Assignments 5.2a</i></a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20100223081253/http://scripts.sil.org/cms/scripts/page.php?site_id=nrsi&amp;item_id=SILPUAassignments">Archived</a> 2010-02-23 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>. <a rel="nofollow" class="external text" href="http://www.sil.org/">SIL International</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20071201070851/http://www.sil.org/">Archived</a> 2007-12-01 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>. pp. 59–60. Retrieved on July 20, 2020.</span> </li> <li id="cite_note-49"><span class="mw-cite-backlink"><b><a href="#cite_ref-49">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFCrystal2008" class="citation book cs1">Crystal, David (2008). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=pKBnEGwmtZoC&amp;pg=PA131"><i>Txtng: the gr8 db8</i></a>. New York: Oxford University Press. pp.&#160;131–137. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&#160;<a href="/wiki/Special:BookSources/978-0-19-162340-0" title="Special:BookSources/978-0-19-162340-0"><bdi>978-0-19-162340-0</bdi></a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20211110182712/https://books.google.com/books?id=pKBnEGwmtZoC&amp;pg=PA131">Archived</a> from the original on 2021-11-10<span class="reference-accessdate">. Retrieved <span class="nowrap">2021-11-10</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Txtng%3A+the+gr8+db8&amp;rft.pages=131-137&amp;rft.pub=New+York%3A+Oxford+University+Press&amp;rft.date=2008&amp;rft.isbn=978-0-19-162340-0&amp;rft.aulast=Crystal&amp;rft.aufirst=David&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DpKBnEGwmtZoC%26pg%3DPA131&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-ficshelp-50"><span class="mw-cite-backlink"><b><a href="#cite_ref-ficshelp_50-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.freechess.org/Help/HelpFiles/crazyhouse.html">"crazyhouse"</a>. <i>FICS Help</i>. <a href="/wiki/Free_Internet_Chess_Server" title="Free Internet Chess Server">Free Internet Chess Server</a>. 2008-02-28. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20140416133658/http://www.freechess.org/Help/HelpFiles/crazyhouse.html">Archived</a> from the original on 2014-04-16<span class="reference-accessdate">. Retrieved <span class="nowrap">2014-04-17</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=FICS+Help&amp;rft.atitle=crazyhouse&amp;rft.date=2008-02-28&amp;rft_id=http%3A%2F%2Fwww.freechess.org%2FHelp%2FHelpFiles%2Fcrazyhouse.html&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-esteem-51"><span class="mw-cite-backlink"><b><a href="#cite_ref-esteem_51-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFAlice_Rawsthorn2010" class="citation news cs1">Alice Rawsthorn (March 21, 2010). <a rel="nofollow" class="external text" href="https://www.nytimes.com/2010/03/22/arts/design/22iht-design22.html">"Why @ Is Held in Such High Design Esteem"</a>. <i><a href="/wiki/The_New_York_Times" title="The New York Times">The New York Times</a></i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20100324133723/http://www.nytimes.com/2010/03/22/arts/design/22iht-design22.html">Archived</a> from the original on March 24, 2010<span class="reference-accessdate">. Retrieved <span class="nowrap">April 25,</span> 2010</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=The+New+York+Times&amp;rft.atitle=Why+%40+Is+Held+in+Such+High+Design+Esteem&amp;rft.date=2010-03-21&amp;rft.au=Alice+Rawsthorn&amp;rft_id=https%3A%2F%2Fwww.nytimes.com%2F2010%2F03%2F22%2Farts%2Fdesign%2F22iht-design22.html&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-52"><span class="mw-cite-backlink"><b><a href="#cite_ref-52">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.iol.co.za/scitech/technology/at-last-france-has-a-name-for-the-sign-1.98600">"At last, France has a name for the @ sign"</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20120819130731/http://www.iol.co.za/scitech/technology/at-last-france-has-a-name-for-the-sign-1.98600">Archived</a> 2012-08-19 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>, December 9, 2002, iol.co.za</span> </li> <li id="cite_note-53"><span class="mw-cite-backlink"><b><a href="#cite_ref-53">^</a></b></span> <span class="reference-text"><span title="French-language text"><span lang="fr"><i>Orthographe fixée par la Commission générale de terminologie et de néologie</i> (Journal officiel du 8 décembre 2002)</span></span></span> </li> <li id="cite_note-54"><span class="mw-cite-backlink"><b><a href="#cite_ref-54">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFPaola_Antonelli2010" class="citation web cs1"><a href="/wiki/Paola_Antonelli" title="Paola Antonelli">Paola Antonelli</a> (March 22, 2010). <a rel="nofollow" class="external text" href="https://www.moma.org/explore/inside_out/2010/03/22/at-moma/">"@ at MoMA"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">April 5,</span> 2018</span>. <q>Germans, Poles, and South Africans call @ "monkey's tail" in each different language.</q></cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=%40+at+MoMA&amp;rft.date=2010-03-22&amp;rft.au=Paola+Antonelli&amp;rft_id=https%3A%2F%2Fwww.moma.org%2Fexplore%2Finside_out%2F2010%2F03%2F22%2Fat-moma%2F&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-55"><span class="mw-cite-backlink"><b><a href="#cite_ref-55">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.arrl.org/arrlletter?issue=2004-04-30">"Morse '@'; character official as of May 3"</a>. <i>The ARRL Letter</i>. <a href="/wiki/American_Radio_Relay_League" title="American Radio Relay League">American Radio Relay League</a>. April 30, 2004. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20111105113831/http://www.arrl.org/arrlletter?issue=2004-04-30">Archived</a> from the original on 2011-11-05<span class="reference-accessdate">. Retrieved <span class="nowrap">2012-04-18</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=The+ARRL+Letter&amp;rft.atitle=Morse+%27%40%27%3B+character+official+as+of+May+3&amp;rft.date=2004-04-30&amp;rft_id=http%3A%2F%2Fwww.arrl.org%2Farrlletter%3Fissue%3D2004-04-30&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-56"><span class="mw-cite-backlink"><b><a href="#cite_ref-56">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1 cs1-prop-foreign-lang-source"><a rel="nofollow" class="external text" href="https://xabardor.uz/uz/x/455070">"@ belgisini nima uchun "kuchukcha" deb ataymiz?"</a>. <i>Xabardor.uz</i> (in Uzbek). 20 December 2019<span class="reference-accessdate">. Retrieved <span class="nowrap">26 February</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=Xabardor.uz&amp;rft.atitle=%40+belgisini+nima+uchun+%22kuchukcha%22+deb+ataymiz%3F&amp;rft.date=2019-12-20&amp;rft_id=https%3A%2F%2Fxabardor.uz%2Fuz%2Fx%2F455070&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-57"><span class="mw-cite-backlink"><b><a href="#cite_ref-57">^</a></b></span> <span class="reference-text">HTML5 is the only version of HTML that has a named entity for the at sign, see <a rel="nofollow" class="external free" href="https://www.w3.org/TR/html4/sgml/entities.html">https://www.w3.org/TR/html4/sgml/entities.html</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20180401051616/http://www.w3.org/TR/html4/sgml/entities.html">Archived</a> 2018-04-01 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a> ("The following sections present the complete lists of character entity references.") and <a rel="nofollow" class="external free" href="https://www.w3.org/TR/2014/CR-html5-20140731/syntax.html#named-character-references">https://www.w3.org/TR/2014/CR-html5-20140731/syntax.html#named-character-references</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20170805013240/http://www.w3.org/TR/2014/CR-html5-20140731/syntax.html#named-character-references">Archived</a> 2017-08-05 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a> ("commat;").</span> </li> <li id="cite_note-58"><span class="mw-cite-backlink"><b><a href="#cite_ref-58">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSteele1996" class="citation web cs1">Steele, Shawn (1996-04-24). <a rel="nofollow" class="external text" href="https://www.unicode.org/Public/MAPPINGS/VENDORS/MICSFT/EBCDIC/CP037.TXT">"cp037_IBMUSCanada to Unicode table"</a>. <a href="/wiki/Microsoft" title="Microsoft">Microsoft</a> / <a href="/wiki/Unicode_Consortium" title="Unicode Consortium">Unicode Consortium</a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20200723145830/http://www.unicode.org/Public/MAPPINGS/VENDORS/MICSFT/EBCDIC/CP037.TXT">Archived</a> from the original on 2020-07-23<span class="reference-accessdate">. Retrieved <span class="nowrap">2020-07-16</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=cp037_IBMUSCanada+to+Unicode+table&amp;rft.pub=Microsoft+%2F+Unicode+Consortium&amp;rft.date=1996-04-24&amp;rft.aulast=Steele&amp;rft.aufirst=Shawn&amp;rft_id=https%3A%2F%2Fwww.unicode.org%2FPublic%2FMAPPINGS%2FVENDORS%2FMICSFT%2FEBCDIC%2FCP037.TXT&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-59"><span class="mw-cite-backlink"><b><a href="#cite_ref-59">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSteele1996" class="citation web cs1">Steele, Shawn (1996-04-24). <a rel="nofollow" class="external text" href="https://www.unicode.org/Public/MAPPINGS/VENDORS/MICSFT/EBCDIC/CP500.TXT">"cp500_IBMInternational to Unicode table"</a>. <a href="/wiki/Microsoft" title="Microsoft">Microsoft</a> / <a href="/wiki/Unicode_Consortium" title="Unicode Consortium">Unicode Consortium</a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20200924121551/https://www.unicode.org/Public/MAPPINGS/VENDORS/MICSFT/EBCDIC/CP500.TXT">Archived</a> from the original on 2020-09-24<span class="reference-accessdate">. Retrieved <span class="nowrap">2020-07-16</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=cp500_IBMInternational+to+Unicode+table&amp;rft.pub=Microsoft+%2F+Unicode+Consortium&amp;rft.date=1996-04-24&amp;rft.aulast=Steele&amp;rft.aufirst=Shawn&amp;rft_id=https%3A%2F%2Fwww.unicode.org%2FPublic%2FMAPPINGS%2FVENDORS%2FMICSFT%2FEBCDIC%2FCP500.TXT&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-utr16cdra-60"><span class="mw-cite-backlink"><b><a href="#cite_ref-utr16cdra_60-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFUmamaheswaran1999" class="citation web cs1">Umamaheswaran, V.S. (1999-11-08). <a rel="nofollow" class="external text" href="https://www.unicode.org/reports/tr16/tr16-6.html#Step%202">"3.3 Step 2: Byte Conversion"</a>. <i>UTF-EBCDIC</i>. <a href="/wiki/Unicode_Consortium" title="Unicode Consortium">Unicode Consortium</a>. Unicode Technical Report #16. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20200716140405/https://www.unicode.org/reports/tr16/tr16-6.html#Step%202">Archived</a> from the original on 2020-07-16<span class="reference-accessdate">. Retrieved <span class="nowrap">2020-07-16</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=UTF-EBCDIC&amp;rft.atitle=3.3+Step+2%3A+Byte+Conversion&amp;rft.date=1999-11-08&amp;rft.aulast=Umamaheswaran&amp;rft.aufirst=V.S.&amp;rft_id=https%3A%2F%2Fwww.unicode.org%2Freports%2Ftr16%2Ftr16-6.html%23Step%25202&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-61"><span class="mw-cite-backlink"><b><a href="#cite_ref-61">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSteele1996" class="citation web cs1">Steele, Shawn (1996-04-24). <a rel="nofollow" class="external text" href="https://www.unicode.org/Public/MAPPINGS/VENDORS/MICSFT/EBCDIC/CP1026.TXT">"cp1026_IBMLatin5Turkish to Unicode table"</a>. <a href="/wiki/Microsoft" title="Microsoft">Microsoft</a> / <a href="/wiki/Unicode_Consortium" title="Unicode Consortium">Unicode Consortium</a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20200218005156/http://www.unicode.org/Public/MAPPINGS/VENDORS/MICSFT/EBCDIC/CP1026.TXT">Archived</a> from the original on 2020-02-18<span class="reference-accessdate">. Retrieved <span class="nowrap">2020-07-16</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=cp1026_IBMLatin5Turkish+to+Unicode+table&amp;rft.pub=Microsoft+%2F+Unicode+Consortium&amp;rft.date=1996-04-24&amp;rft.aulast=Steele&amp;rft.aufirst=Shawn&amp;rft_id=https%3A%2F%2Fwww.unicode.org%2FPublic%2FMAPPINGS%2FVENDORS%2FMICSFT%2FEBCDIC%2FCP1026.TXT&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-shift_jis-utc-62"><span class="mw-cite-backlink"><b><a href="#cite_ref-shift_jis-utc_62-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFUnicode_Consortium2015" class="citation web cs1"><a href="/wiki/Unicode_Consortium" title="Unicode Consortium">Unicode Consortium</a> (2015-12-02) [1994-03-08]. <a rel="nofollow" class="external text" href="https://www.unicode.org/Public/MAPPINGS/OBSOLETE/EASTASIA/JIS/SHIFTJIS.TXT">"Shift-JIS to Unicode"</a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20201025220216/http://www.unicode.org/Public/MAPPINGS/OBSOLETE/EASTASIA/JIS/SHIFTJIS.TXT">Archived</a> from the original on 2020-10-25<span class="reference-accessdate">. Retrieved <span class="nowrap">2020-07-16</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=Shift-JIS+to+Unicode&amp;rft.date=2015-12-02&amp;rft.au=Unicode+Consortium&amp;rft_id=https%3A%2F%2Fwww.unicode.org%2FPublic%2FMAPPINGS%2FOBSOLETE%2FEASTASIA%2FJIS%2FSHIFTJIS.TXT&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-euc-jp-2007-63"><span class="mw-cite-backlink"><b><a href="#cite_ref-euc-jp-2007_63-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFUnicode_ConsortiumIBM" class="citation web cs1"><a href="/wiki/Unicode_Consortium" title="Unicode Consortium">Unicode Consortium</a>; <a href="/wiki/IBM" title="IBM">IBM</a>. <a rel="nofollow" class="external text" href="https://raw.githubusercontent.com/unicode-org/icu/master/icu4c/source/data/mappings/euc-jp-2007.ucm">"EUC-JP-2007"</a>. <i><a href="/wiki/International_Components_for_Unicode" title="International Components for Unicode">International Components for Unicode</a></i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20200629185519/https://raw.githubusercontent.com/unicode-org/icu/master/icu4c/source/data/mappings/euc-jp-2007.ucm">Archived</a> from the original on 2020-06-29<span class="reference-accessdate">. Retrieved <span class="nowrap">2020-07-16</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=International+Components+for+Unicode&amp;rft.atitle=EUC-JP-2007&amp;rft.au=Unicode+Consortium&amp;rft.au=IBM&amp;rft_id=https%3A%2F%2Fraw.githubusercontent.com%2Funicode-org%2Ficu%2Fmaster%2Ficu4c%2Fsource%2Fdata%2Fmappings%2Feuc-jp-2007.ucm&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-euc-kr-ibm970-64"><span class="mw-cite-backlink"><b><a href="#cite_ref-euc-kr-ibm970_64-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFUnicode_ConsortiumIBM" class="citation web cs1"><a href="/wiki/Unicode_Consortium" title="Unicode Consortium">Unicode Consortium</a>; <a href="/wiki/IBM" title="IBM">IBM</a>. <a rel="nofollow" class="external text" href="https://raw.githubusercontent.com/unicode-org/icu/master/icu4c/source/data/mappings/ibm-970_P110_P110-2006_U2.ucm">"IBM-970"</a>. <i><a href="/wiki/International_Components_for_Unicode" title="International Components for Unicode">International Components for Unicode</a></i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20200629144650/https://raw.githubusercontent.com/unicode-org/icu/master/icu4c/source/data/mappings/ibm-970_P110_P110-2006_U2.ucm">Archived</a> from the original on 2020-06-29<span class="reference-accessdate">. Retrieved <span class="nowrap">2020-07-16</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=International+Components+for+Unicode&amp;rft.atitle=IBM-970&amp;rft.au=Unicode+Consortium&amp;rft.au=IBM&amp;rft_id=https%3A%2F%2Fraw.githubusercontent.com%2Funicode-org%2Ficu%2Fmaster%2Ficu4c%2Fsource%2Fdata%2Fmappings%2Fibm-970_P110_P110-2006_U2.ucm&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-uhc-ms949-65"><span class="mw-cite-backlink"><b><a href="#cite_ref-uhc-ms949_65-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSteele2000" class="citation web cs1">Steele, Shawn (2000). <a rel="nofollow" class="external text" href="https://www.unicode.org/Public/MAPPINGS/VENDORS/MICSFT/WINDOWS/CP949.TXT">"cp949 to Unicode table"</a>. <a href="/wiki/Microsoft" title="Microsoft">Microsoft</a> / <a href="/wiki/Unicode_Consortium" title="Unicode Consortium">Unicode Consortium</a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20200615172622/http://www.unicode.org/Public/MAPPINGS/VENDORS/MICSFT/WINDOWS/CP949.TXT">Archived</a> from the original on 2020-06-15<span class="reference-accessdate">. Retrieved <span class="nowrap">2020-07-16</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=cp949+to+Unicode+table&amp;rft.pub=Microsoft+%2F+Unicode+Consortium&amp;rft.date=2000&amp;rft.aulast=Steele&amp;rft.aufirst=Shawn&amp;rft_id=https%3A%2F%2Fwww.unicode.org%2FPublic%2FMAPPINGS%2FVENDORS%2FMICSFT%2FWINDOWS%2FCP949.TXT&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-gb18030-66"><span class="mw-cite-backlink"><b><a href="#cite_ref-gb18030_66-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFStandardization_Administration_of_China_(SAC)2005" class="citation book cs1">Standardization Administration of China (SAC) (2005-11-18). <a rel="nofollow" class="external text" href="https://archive.org/details/GB18030-2005"><i>GB 18030-2005: Information Technology—Chinese coded character set</i></a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=GB+18030-2005%3A+Information+Technology%E2%80%94Chinese+coded+character+set&amp;rft.date=2005-11-18&amp;rft.au=Standardization+Administration+of+China+%28SAC%29&amp;rft_id=https%3A%2F%2Farchive.org%2Fdetails%2FGB18030-2005&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-big5hkscs-html5-67"><span class="mw-cite-backlink"><b><a href="#cite_ref-big5hkscs-html5_67-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFvan_Kesteren" class="citation web cs1"><a href="/wiki/Anne_van_Kesteren" title="Anne van Kesteren">van Kesteren, Anne</a>. <a rel="nofollow" class="external text" href="https://encoding.spec.whatwg.org/big5.html">"big5"</a>. <i>Encoding Standard</i>. <a href="/wiki/WHATWG" title="WHATWG">WHATWG</a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20200504184159/https://encoding.spec.whatwg.org/big5.html">Archived</a> from the original on 2020-05-04<span class="reference-accessdate">. Retrieved <span class="nowrap">2020-07-16</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=Encoding+Standard&amp;rft.atitle=big5&amp;rft.aulast=van+Kesteren&amp;rft.aufirst=Anne&amp;rft_id=https%3A%2F%2Fencoding.spec.whatwg.org%2Fbig5.html&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> <li id="cite_note-latexnames-68"><span class="mw-cite-backlink"><b><a href="#cite_ref-latexnames_68-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFPakin2020" class="citation web cs1">Pakin, Scott (2020-06-25). <a rel="nofollow" class="external text" href="http://tug.ctan.org/info/symbols/comprehensive/symbols-a4.pdf">"The Comprehensive LATEX Symbol List"</a> <span class="cs1-format">(PDF)</span>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20200723012910/http://tug.ctan.org/info/symbols/comprehensive/symbols-a4.pdf">Archived</a> <span class="cs1-format">(PDF)</span> from the original on 2020-07-23<span class="reference-accessdate">. Retrieved <span class="nowrap">2020-07-16</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=The+Comprehensive+LATEX+Symbol+List&amp;rft.date=2020-06-25&amp;rft.aulast=Pakin&amp;rft.aufirst=Scott&amp;rft_id=http%3A%2F%2Ftug.ctan.org%2Finfo%2Fsymbols%2Fcomprehensive%2Fsymbols-a4.pdf&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAt+sign" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=At_sign&amp;action=edit&amp;section=16" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid 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//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/80px-Wiktionary-logo-en-v2.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span></div> <div class="side-box-text plainlist">Look up <i><b><a href="https://en.wiktionary.org/wiki/commercial-at" class="extiw" title="wiktionary:commercial-at">commercial-at</a></b></i>&#160;or <i><b><a href="https://en.wiktionary.org/wiki/at_sign" class="extiw" title="wiktionary:at sign">at sign</a></b></i> in Wiktionary, the free dictionary.</div></div> </div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1235681985"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1237033735"><div class="side-box side-box-right plainlinks sistersitebox"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span></div> <div class="side-box-text plainlist">Wikimedia Commons has media related to <span style="font-weight: bold; font-style: italic;"><a href="https://commons.wikimedia.org/wiki/Category:At_sign" class="extiw" title="commons:Category:At sign">At sign</a></span>.</div></div> </div> <ul><li><style data-mw-deduplicate="TemplateStyles:r1041539562">.mw-parser-output .citation{word-wrap:break-word}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}</style><span class="citation foldoc"> <a rel="nofollow" class="external text" href="https://foldoc.org/commercial-at">commercial-at</a> at the <i><a href="/wiki/Free_On-line_Dictionary_of_Computing" title="Free On-line Dictionary of Computing">Free On-line Dictionary of Computing</a></i> </span></li> <li><a rel="nofollow" class="external text" href="https://www.smithsonianmag.com/science-nature/the-accidental-history-of-the-symbol-18054936/">"The Accidental History of the @ Symbol "</a>, <i><a href="/wiki/Smithsonian_magazine" class="mw-redirect" title="Smithsonian magazine">Smithsonian magazine</a></i>, September 2012, Retrieved October 2021.</li> <li>The @-symbol, <a rel="nofollow" class="external text" href="http://www.shadycharacters.co.uk/2011/07/the-symbol-part-1-of-2/">part 1</a>, <a rel="nofollow" class="external text" href="http://www.shadycharacters.co.uk/2011/07/the-symbol-intermission/">intermission</a>, <a rel="nofollow" class="external text" href="https://web.archive.org/web/20141225121941/http://www.shadycharacters.co.uk/2011/08/the-symbol-part-2-of-2/">part 2</a>, <a rel="nofollow" class="external text" href="http://www.shadycharacters.co.uk/2011/08/the-symbol-addenda/">addenda</a>, <i><a rel="nofollow" class="external text" href="https://web.archive.org/web/20141221071159/http://www.shadycharacters.co.uk/">Shady Characters ⌂ The secret life of punctuation</a></i> August 2011, Retrieved June 2013.</li> <li><a rel="nofollow" class="external text" href="http://www.lrb.co.uk/v31/n10/soar01_.html">"Daniel Soar on @"</a>, <i><a href="/wiki/London_Review_of_Books" title="London Review of Books">London Review of Books</a></i>, Vol. 31 No. 10, 28 May 2009, Retrieved June 2013.</li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20070120072115/http://www.ascii64.org/">ascii64 – the @ book – free download (creative commons) – by patrik sneyd – foreword by luigi colani)</a> November 2006, Retrieved June 2013.</li> <li><a rel="nofollow" class="external text" href="http://www.herodios.com/atsign.htm">A Natural History of the @ Sign</a> The many names of the at sign in various languages, 1997, Retrieved June 2013.</li> <li><a rel="nofollow" class="external text" href="https://linguistlist.org/issues/7/7-968/">Sum: the @ Symbol</a>, <i>LINGUIST List 7.968</i> July 1996, Retrieved June 2013.</li> <li><a rel="nofollow" class="external text" href="http://www.worldwidewords.org/articles/whereat.htm">Where it's At: names for a common symbol</a> <i><a rel="nofollow" class="external text" href="http://www.worldwidewords.org/">World Wide Words</a></i> August 1996, Retrieved June 2013.</li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist 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navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Navbox_punctuation" title="Template:Navbox punctuation"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Navbox_punctuation" title="Template talk:Navbox punctuation"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Navbox_punctuation" title="Special:EditPage/Template:Navbox punctuation"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Common_punctuation_and_other_typographical_symbols" style="font-size:114%;margin:0 4em">Common <a href="/wiki/Punctuation" title="Punctuation">punctuation</a> and other <a href="/wiki/Typography" title="Typography">typographical</a> symbols</div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0;text-align:left;"><div style="padding:0 0.25em"> <ul><li><span class="nowrap">&#160;<span style="background: var( --background-color-neutral, #eaecf0 ); color: inherit; font-size:125%;">&#8201;&#160;&#8201;</span>&#8201;&#160;<span style="font-size:95%"><a href="/wiki/Space_(punctuation)" title="Space (punctuation)">space</a></span></span>&#160;</li> <li><span class="nowrap">&#160;<span style="background: var( --background-color-neutral, #eaecf0 ); color: inherit; font-size:125%;">&#8201;,&#8201;</span>&#8201;&#160;<span style="font-size:95%"><a href="/wiki/Comma" title="Comma">comma</a></span></span>&#160;</li> <li><span class="nowrap">&#160;<span style="background: var( --background-color-neutral, #eaecf0 ); color: inherit; font-size:125%;">&#8201;:&#8201;</span>&#8201;&#160;<span style="font-size:95%"><a href="/wiki/Colon_(punctuation)" title="Colon (punctuation)">colon</a></span></span>&#160;</li> <li><span class="nowrap">&#160;<span style="background: var( --background-color-neutral, #eaecf0 ); color: inherit; font-size:125%;">&#8201;;&#8201;</span>&#8201;&#160;<span style="font-size:95%"><a 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title="List of logic symbols">Logic symbols</a></li> <li><a href="/wiki/List_of_mathematical_symbols" class="mw-redirect" title="List of mathematical symbols">Math symbols</a></li> <li><a href="/wiki/Whitespace_character" title="Whitespace character">Whitespace</a></li></ul> <ul><li><a href="/wiki/Chinese_punctuation" title="Chinese punctuation">Chinese punctuation</a></li> <li><a href="/wiki/Hebrew_punctuation" title="Hebrew punctuation">Hebrew punctuation</a></li> <li><a href="/wiki/Japanese_punctuation" title="Japanese punctuation">Japanese punctuation</a></li> <li><a href="/wiki/Korean_punctuation" title="Korean punctuation">Korean punctuation</a></li></ul> </div></td></tr></tbody></table></div> <!-- NewPP limit report Parsed by mw‐web.eqiad.main‐75c465f4c6‐hhqct Cached time: 20241125142820 Cache expiry: 2592000 Reduced expiry: false Complications: [vary‐revision‐sha1, show‐toc] CPU time usage: 1.660 seconds Real time usage: 2.117 seconds Preprocessor visited node count: 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