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MathML を始めよう - MathML | MDN
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Not for use in new websites."> <span class="visually-hidden">非推奨;</span> </abbr></li><li><a href="/ja/docs/Web/MathML/Element/math"><code><math></code></a></li><li><a href="/ja/docs/Web/MathML/Element/menclose"><code><menclose></code></a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">非標準</span> </abbr></li><li><a href="/ja/docs/Web/MathML/Element/merror"><code><merror></code></a></li><li><a href="/ja/docs/Web/MathML/Element/mfenced"><code><mfenced></code></a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">非標準</span> </abbr><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨;</span> </abbr></li><li><a href="/ja/docs/Web/MathML/Element/mfrac"><code><mfrac></code></a></li><li><a href="/ja/docs/Web/MathML/Element/mi"><code><mi></code></a></li><li><a href="/ja/docs/Web/MathML/Element/mmultiscripts"><code><mmultiscripts></code></a></li><li><a href="/ja/docs/Web/MathML/Element/mn"><code><mn></code></a></li><li><a href="/ja/docs/Web/MathML/Element/mo"><code><mo></code></a></li><li><a href="/ja/docs/Web/MathML/Element/mover"><code><mover></code></a></li><li><a href="/en-US/docs/Web/MathML/Element/mpadded" class="only-in-en-us"><code><mpadded></code></a></li><li><a href="/ja/docs/Web/MathML/Element/mphantom"><code><mphantom></code></a></li><li><a href="/en-US/docs/Web/MathML/Element/mprescripts" class="only-in-en-us"><code><mprescripts></code></a></li><li><a href="/ja/docs/Web/MathML/Element/mroot"><code><mroot></code></a></li><li><a href="/en-US/docs/Web/MathML/Element/mrow" class="only-in-en-us"><code><mrow></code></a></li><li><a href="/en-US/docs/Web/MathML/Element/ms" class="only-in-en-us"><code><ms></code></a></li><li><a href="/ja/docs/Web/MathML/Element/mspace"><code><mspace></code></a></li><li><a href="/ja/docs/Web/MathML/Element/msqrt"><code><msqrt></code></a></li><li><a href="/en-US/docs/Web/MathML/Element/mstyle" class="only-in-en-us"><code><mstyle></code></a></li><li><a href="/ja/docs/Web/MathML/Element/msub"><code><msub></code></a></li><li><a href="/ja/docs/Web/MathML/Element/msubsup"><code><msubsup></code></a></li><li><a href="/ja/docs/Web/MathML/Element/msup"><code><msup></code></a></li><li><a href="/ja/docs/Web/MathML/Element/mtable"><code><mtable></code></a></li><li><a href="/ja/docs/Web/MathML/Element/mtd"><code><mtd></code></a></li><li><a href="/ja/docs/Web/MathML/Element/mtext"><code><mtext></code></a></li><li><a href="/ja/docs/Web/MathML/Element/mtr"><code><mtr></code></a></li><li><a href="/ja/docs/Web/MathML/Element/munder"><code><munder></code></a></li><li><a href="/en-US/docs/Web/MathML/Element/munderover" class="only-in-en-us"><code><munderover></code></a></li><li><a href="/ja/docs/Web/MathML/Element/semantics"><code><semantics></code></a></li></ol></details></li><li class="toggle"><details><summary>Global attributes</summary><ol><li><a href="/en-US/docs/Web/MathML/Global_attributes/dir" class="only-in-en-us"><code>dir</code></a></li><li><a href="/en-US/docs/Web/MathML/Global_attributes/displaystyle" class="only-in-en-us"><code>displaystyle</code></a></li><li><a href="/en-US/docs/Web/MathML/Global_attributes/href" class="only-in-en-us"><code>href</code></a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">非標準</span> </abbr></li><li><a href="/en-US/docs/Web/MathML/Global_attributes/mathbackground" class="only-in-en-us"><code>mathbackground</code></a><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨;</span> </abbr></li><li><a href="/en-US/docs/Web/MathML/Global_attributes/mathcolor" class="only-in-en-us"><code>mathcolor</code></a><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨;</span> </abbr></li><li><a href="/en-US/docs/Web/MathML/Global_attributes/mathsize" class="only-in-en-us"><code>mathsize</code></a><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨;</span> </abbr></li><li><a href="/en-US/docs/Web/MathML/Global_attributes/scriptlevel" class="only-in-en-us"><code>scriptlevel</code></a></li></ol></details></li><li><a href="/ja/docs/Web/MathML/Attribute">属性</a></li><li><a href="/ja/docs/Web/MathML/Values">MathML の属性値</a></li><li class="section">Examples</li><li class="toggle"><ol><li><a href="/ja/docs/Web/MathML/Examples/Deriving_the_Quadratic_Formula">MathML: 二次方程式の解の公式を導く</a></li><li><a href="/ja/docs/Web/MathML/Examples/MathML_Pythagorean_Theorem">ピタゴラスの定理の証明</a></li></ol></li></ol></div></div><section class="place side"></section></nav></aside><div class="toc-container"><aside class="toc"><nav><div class="document-toc-container"><section class="document-toc"><header><h2 class="document-toc-heading">この記事では</h2></header><ul class="document-toc-list"><li class="document-toc-item "><a class="document-toc-link" href="#html_に_math_要素で数式を挿入する">HTML に <math> 要素で数式を挿入する</a></li><li class="document-toc-item "><a class="document-toc-link" href="#mrow_要素でのグループ化"><mrow> 要素でのグループ化</a></li><li class="document-toc-item "><a class="document-toc-link" href="#まとめ">まとめ</a></li><li class="document-toc-item "><a class="document-toc-link" href="#関連情報">関連情報</a></li></ul></section></div></nav></aside><section class="place side"></section></div></div><main id="content" class="main-content "><article class="main-page-content" lang="ja"><header><h1>MathML を始めよう</h1></header><div class="section-content"><ul class="prev-next"><li><a class="button secondary" href="/ja/docs/Web/MathML/Guides"><span class="button-wrap"> Overview: MathML 初心者ガイド</span></a></li><li><a class="button secondary" href="/ja/docs/Web/MathML/Guides/Text_containers"><span class="button-wrap"> 次のページ </span></a></li></ul> <p>この記事では、単純な HTML 文書を使い、そこに MathML 数式を追加する方法を、いくつかの要素を紹介しながら見ていきます。</p></div><section aria-labelledby="html_に_math_要素で数式を挿入する"><h2 id="html_に_math_要素で数式を挿入する"><a href="#html_に_math_要素で数式を挿入する">HTML に <math> 要素で数式を挿入する</a></h2><div class="section-content"><p>MathML は HTML と同じ構文を用いて要素と属性のツリーを表します。具体的な数式は <code><math></code> という要素で表され、 HTML ページの中に配置することができます。以下の文書では、段落の中にあります。</p> <div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html notranslate"><code><!doctype html> <html lang="ja"> <head> <title>最初の数式のページ</title> </head> <body> <p> 分数 <math> <mfrac> <mn>1</mn> <mn>3</mn> </mfrac> </math> は十進数では表せません。 </p> </body> </html> </code></pre></div> <p><code><mfrac></code> 要素は分子(最初の子)と分母(2 つ目の子)を持つ分数を指定します。ブラウザーではこのように表示されます。</p> <div class="code-example"><div class="example-header"></div><iframe class="sample-code-frame" title="Inserting formulas in HTML sample" id="frame_inserting_formulas_in_html" width="700" height="100" src="about:blank" data-live-path="/ja/docs/Web/MathML/Guides/Getting_started/" data-live-id="inserting_formulas_in_html" sandbox="allow-same-origin allow-scripts" loading="lazy"></iframe></div> <div class="notecard warning"> <p><strong>警告:</strong> 分数の代わりに "1 3" と表示される場合は、ブラウザーが MathML に対応していない可能性があります。詳しくは<a href="/ja/docs/Web/MathML/Element/math#browser_compatibility">ブラウザー互換性表</a>を調べてください。</p> </div></div></section><section aria-labelledby="display_属性"><h3 id="display_属性"><a href="#display_属性">display 属性</a></h3><div class="section-content"><p>前の例では、数式は段落のテキストと同じ行にあることに注意してください。しかし、下記の通り、大きな数式を自分自身で中央揃えにして表示させることがよくあります。そのためには <code><math></code> 要素に <code>display="block"</code> 属性を付ける必要があります。</p> <div class="code-example"><pre class="brush: html hidden notranslate"><code><!doctype html> <html lang="ja"> <head> <title>最初の数式のページ</title> </head> <body> <p> 分数 <math display="block"> <mfrac> <mn>1</mn> <mn>3</mn> </mfrac> </math> は十進数では表せません。 </p> </body> </html> </code></pre></div> <div class="code-example"><div class="example-header"></div><iframe class="sample-code-frame" title="The display attribute sample" id="frame_the_display_attribute" width="700" height="100" src="about:blank" data-live-path="/ja/docs/Web/MathML/Guides/Getting_started/" data-live-id="the_display_attribute" sandbox="allow-same-origin allow-scripts" loading="lazy"></iframe></div> <p>また、現れる微妙な変化にもお気づきでしょう。分数のテキストと縦の空間が少し大きくなります。 <code>display="block"</code> 属性がないと、周囲のテキストの流れを避けるために高さが最小になります。 <code>display="block"</code> 属性を使うと、その代わりに数式の読みやすさが優先されます。</p> <div class="notecard note"> <p><strong>メモ:</strong> これは LaTeX の <em>inline</em> 数式(ドル記号 <code>$...$</code> で区切られる)と <em>display</em> 数式(<code>\[...\]</code> で区切られる)の概念に対応しています。</p> </div> <div class="notecard note"> <p><strong>メモ:</strong> このプロパティは <code><math display="block"></code>の場合、初期状態では <code>normal</code>、それ以外の場合は <code>compact</code> になります。MathMLのサブツリーによっては、このプロパティが自動的に <code>compact</code> になることがありますが、この入門チュートリアルではこの微妙な点は無視します。繰り返しますが、これは LaTeX に似ています。</p> </div></div></section><section aria-labelledby="mrow_要素でのグループ化"><h2 id="mrow_要素でのグループ化"><a href="#mrow_要素でのグループ化"><mrow> 要素でのグループ化</a></h2><div class="section-content"><p><code><math></code> 要素は実際には任意の数の子要素を格納することができ、基本的にそれらを一列に並べて表示します。例えば、単純な数式 "1 + 2 + 3" は MathML ではこのようにエンコードされます。</p> <div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html notranslate"><code><math> <mn>1</mn> <mo>+</mo> <mn>2</mn> <mo>+</mo> <mn>3</mn> </math> </code></pre></div> <p><code><mrow></code> 要素は同様のレイアウトを行う汎用コンテナーですが、 MathML のサブツリーのどこにでも配置することができます。いくつかの要素をグループ化するのに便利です。例えば、以下の分数の分子(最初の子要素)は「1 足す 2」です。</p> <div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html notranslate"><code><math> <mfrac> <mrow> <mn>1</mn> <mo>+</mo> <mn>2</mn> </mrow> <mn>3</mn> </mfrac> </math> </code></pre></div></div></section><section aria-labelledby="アクティブラーニング_入れ子になった式"><h3 id="アクティブラーニング_入れ子になった式"><a href="#アクティブラーニング_入れ子になった式">アクティブラーニング: 入れ子になった式</a></h3><div class="section-content"><p>練習として、これまで見てきた MathML の要素だけを使って以下の式を書く方法を考えてみてください。もし行き詰まったり、解答を確認したい場合は、例のソースコードを調べてください。</p> <div class="code-example"><pre class="brush: html hidden notranslate"><code><ol> <li> 「2 分の 1」足す「3 分の 2」: <!-- math 要素の子要素を mrow 要素でグループ化するのは正しいですが、不必要です。 --> <math> <mfrac> <mn>1</mn> <mn>2</mn> </mfrac> <mo>+</mo> <mfrac> <mn>2</mn> <mn>3</mn> </mfrac> </math> </li> <li> 「1 足す 2 足す 3」が「4 足す 5」の上にある: <math> <mfrac> <mrow> <mn>1</mn> <mo>+</mo> <mn>2</mn> <mo>+</mo> <mn>3</mn> </mrow> <mrow> <mn>4</mn> <mo>+</mo> <mn>5</mn> </mrow> </mfrac> </math> </li> <li> 「4 分の 1」が「2 足す 3」の上にある: <math> <mfrac> <mfrac> <mn>1</mn> <mn>4</mn> </mfrac> <mrow> <mn>2</mn> <mo>+</mo> <mn>3</mn> </mrow> </mfrac> </math> </li> </ol> </code></pre></div> <div class="code-example"><div class="example-header"></div><iframe class="sample-code-frame" title="Active learning nested expressions sample" id="frame_active_learning_nested_expressions" width="700" height="200" src="about:blank" data-live-path="/ja/docs/Web/MathML/Guides/Getting_started/" data-live-id="active_learning_nested_expressions" sandbox="allow-same-origin allow-scripts" loading="lazy"></iframe></div></div></section><section aria-labelledby="まとめ"><h2 id="まとめ"><a href="#まとめ">まとめ</a></h2><div class="section-content"><p>この記事では、 HTML 文書内に数式を挿入するために <code><math></code> 要素を使用する方法を見ていきました。 <code>display="block"</code> を使用する場合としない場合の <code><math></code> 要素のレンダリングの違いについて学びました。さらに、他にもいくつかの MathML 要素に出会いました。分数を表す <code><mfrac></code>、グループ化を表す <code><mrow></code>、そして最後にいくつかのテキスト要素です。これらの<a href="/ja/docs/Web/MathML/Guides/Text_containers">テキストコンテナー</a>については次の記事で詳しく分析します。</p></div></section><section aria-labelledby="関連情報"><h2 id="関連情報"><a href="#関連情報">関連情報</a></h2><div class="section-content"><ul> <li><a href="/ja/docs/Web/MathML/Authoring#using_mathml">MathML の使用</a></li> <li><a href="/ja/docs/Web/MathML/Element/math"><code><math></code> 要素</a></li> <li><a href="/ja/docs/Web/MathML/Element/mfrac"><code><mfrac></code> 要素</a></li> <li><a href="/en-US/docs/Web/MathML/Element/mrow" class="only-in-en-us"><code><mrow></code> 要素</a></li> <li><a href="/ja/docs/Web/CSS/math-style"><code>math-style</code> プロパティ</a></li> <li><a href="/ja/docs/Web/CSS/math-depth"><code>math-depth</code> プロパティ</a></li> </ul> <ul class="prev-next"><li><a class="button secondary" href="/ja/docs/Web/MathML/Guides"><span class="button-wrap"> Overview: MathML 初心者ガイド</span></a></li><li><a class="button secondary" href="/ja/docs/Web/MathML/Guides/Text_containers"><span class="button-wrap"> 次のページ </span></a></li></ul></div></section></article><aside class="article-footer"><div class="article-footer-inner"><div class="svg-container"><svg xmlns="http://www.w3.org/2000/svg" width="162" height="162" viewBox="0 0 162 162" fill="none" role="none"><mask id="b" fill="#fff"><path d="M97.203 47.04c8.113-7.886 18.004-13.871 28.906-17.492a78 78 0 0 1 33.969-3.39c11.443 1.39 22.401 5.295 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Content available under<!-- --> <a href="/ja/docs/MDN/Writing_guidelines/Attrib_copyright_license">a Creative Commons license</a>.</p></div></div></footer></div><script type="application/json" id="hydration">{"url":"/ja/docs/Web/MathML/Guides/Getting_started","doc":{"body":[{"type":"prose","value":{"id":null,"title":null,"isH3":false,"content":"<ul class=\"prev-next\"><li><a class=\"button secondary\" href=\"/ja/docs/Web/MathML/Guides\"><span class=\"button-wrap\"> Overview: MathML 初心者ガイド</span></a></li><li><a class=\"button secondary\" href=\"/ja/docs/Web/MathML/Guides/Text_containers\"><span class=\"button-wrap\"> 次のページ </span></a></li></ul>\n<p>この記事では、単純な HTML 文書を使い、そこに MathML 数式を追加する方法を、いくつかの要素を紹介しながら見ていきます。</p>"}},{"type":"prose","value":{"id":"html_に_math_要素で数式を挿入する","title":"HTML に <math> 要素で数式を挿入する","isH3":false,"content":"<p>MathML は HTML と同じ構文を用いて要素と属性のツリーを表します。具体的な数式は <code><math></code> という要素で表され、 HTML ページの中に配置することができます。以下の文書では、段落の中にあります。</p>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code><!doctype html>\n<html lang=\"ja\">\n <head>\n <title>最初の数式のページ</title>\n </head>\n <body>\n <p>\n 分数\n <math>\n <mfrac>\n <mn>1</mn>\n <mn>3</mn>\n </mfrac>\n </math>\n は十進数では表せません。\n </p>\n </body>\n</html>\n</code></pre></div>\n<p><code><mfrac></code> 要素は分子(最初の子)と分母(2 つ目の子)を持つ分数を指定します。ブラウザーではこのように表示されます。</p>\n<div class=\"code-example\"><div class=\"example-header\"></div><iframe class=\"sample-code-frame\" title=\"Inserting formulas in HTML sample\" id=\"frame_inserting_formulas_in_html\" width=\"700\" height=\"100\" src=\"about:blank\" data-live-path=\"/ja/docs/Web/MathML/Guides/Getting_started/\" data-live-id=\"inserting_formulas_in_html\" sandbox=\"allow-same-origin allow-scripts\" loading=\"lazy\"></iframe></div>\n<div class=\"notecard warning\">\n<p><strong>警告:</strong>\n分数の代わりに \"1 3\" と表示される場合は、ブラウザーが MathML に対応していない可能性があります。詳しくは<a href=\"/ja/docs/Web/MathML/Element/math#browser_compatibility\">ブラウザー互換性表</a>を調べてください。</p>\n</div>"}},{"type":"prose","value":{"id":"display_属性","title":"display 属性","isH3":true,"content":"<p>前の例では、数式は段落のテキストと同じ行にあることに注意してください。しかし、下記の通り、大きな数式を自分自身で中央揃えにして表示させることがよくあります。そのためには <code><math></code> 要素に <code>display=\"block\"</code> 属性を付ける必要があります。</p>\n<div class=\"code-example\"><pre class=\"brush: html hidden notranslate\"><code><!doctype html>\n<html lang=\"ja\">\n <head>\n <title>最初の数式のページ</title>\n </head>\n <body>\n <p>\n 分数\n <math display=\"block\">\n <mfrac>\n <mn>1</mn>\n <mn>3</mn>\n </mfrac>\n </math>\n は十進数では表せません。\n </p>\n </body>\n</html>\n</code></pre></div>\n<div class=\"code-example\"><div class=\"example-header\"></div><iframe class=\"sample-code-frame\" title=\"The display attribute sample\" id=\"frame_the_display_attribute\" width=\"700\" height=\"100\" src=\"about:blank\" data-live-path=\"/ja/docs/Web/MathML/Guides/Getting_started/\" data-live-id=\"the_display_attribute\" sandbox=\"allow-same-origin allow-scripts\" loading=\"lazy\"></iframe></div>\n<p>また、現れる微妙な変化にもお気づきでしょう。分数のテキストと縦の空間が少し大きくなります。 <code>display=\"block\"</code> 属性がないと、周囲のテキストの流れを避けるために高さが最小になります。 <code>display=\"block\"</code> 属性を使うと、その代わりに数式の読みやすさが優先されます。</p>\n<div class=\"notecard note\">\n<p><strong>メモ:</strong>\nこれは LaTeX の <em>inline</em> 数式(ドル記号 <code>$...$</code> で区切られる)と <em>display</em> 数式(<code>\\[...\\]</code> で区切られる)の概念に対応しています。</p>\n</div>\n<div class=\"notecard note\">\n<p><strong>メモ:</strong>\nこのプロパティは <code><math display=\"block\"></code>の場合、初期状態では <code>normal</code>、それ以外の場合は <code>compact</code> になります。MathMLのサブツリーによっては、このプロパティが自動的に <code>compact</code> になることがありますが、この入門チュートリアルではこの微妙な点は無視します。繰り返しますが、これは LaTeX に似ています。</p>\n</div>"}},{"type":"prose","value":{"id":"mrow_要素でのグループ化","title":"<mrow> 要素でのグループ化","isH3":false,"content":"<p><code><math></code> 要素は実際には任意の数の子要素を格納することができ、基本的にそれらを一列に並べて表示します。例えば、単純な数式 \"1 + 2 + 3\" は MathML ではこのようにエンコードされます。</p>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code><math>\n <mn>1</mn>\n <mo>+</mo>\n <mn>2</mn>\n <mo>+</mo>\n <mn>3</mn>\n</math>\n</code></pre></div>\n<p><code><mrow></code> 要素は同様のレイアウトを行う汎用コンテナーですが、 MathML のサブツリーのどこにでも配置することができます。いくつかの要素をグループ化するのに便利です。例えば、以下の分数の分子(最初の子要素)は「1 足す 2」です。</p>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code><math>\n <mfrac>\n <mrow>\n <mn>1</mn>\n <mo>+</mo>\n <mn>2</mn>\n </mrow>\n <mn>3</mn>\n </mfrac>\n</math>\n</code></pre></div>"}},{"type":"prose","value":{"id":"アクティブラーニング_入れ子になった式","title":"アクティブラーニング: 入れ子になった式","isH3":true,"content":"<p>練習として、これまで見てきた MathML の要素だけを使って以下の式を書く方法を考えてみてください。もし行き詰まったり、解答を確認したい場合は、例のソースコードを調べてください。</p>\n<div class=\"code-example\"><pre class=\"brush: html hidden notranslate\"><code><ol>\n <li>\n 「2 分の 1」足す「3 分の 2」:\n <!-- math 要素の子要素を mrow 要素でグループ化するのは正しいですが、不必要です。 -->\n <math>\n <mfrac>\n <mn>1</mn>\n <mn>2</mn>\n </mfrac>\n <mo>+</mo>\n <mfrac>\n <mn>2</mn>\n <mn>3</mn>\n </mfrac>\n </math>\n </li>\n <li>\n 「1 足す 2 足す 3」が「4 足す 5」の上にある:\n <math>\n <mfrac>\n <mrow>\n <mn>1</mn>\n <mo>+</mo>\n <mn>2</mn>\n <mo>+</mo>\n <mn>3</mn>\n </mrow>\n <mrow>\n <mn>4</mn>\n <mo>+</mo>\n <mn>5</mn>\n </mrow>\n </mfrac>\n </math>\n </li>\n <li>\n 「4 分の 1」が「2 足す 3」の上にある:\n <math>\n <mfrac>\n <mfrac>\n <mn>1</mn>\n <mn>4</mn>\n </mfrac>\n <mrow>\n <mn>2</mn>\n <mo>+</mo>\n <mn>3</mn>\n </mrow>\n </mfrac>\n </math>\n </li>\n</ol>\n</code></pre></div>\n<div class=\"code-example\"><div class=\"example-header\"></div><iframe class=\"sample-code-frame\" title=\"Active learning nested expressions sample\" id=\"frame_active_learning_nested_expressions\" width=\"700\" height=\"200\" src=\"about:blank\" data-live-path=\"/ja/docs/Web/MathML/Guides/Getting_started/\" data-live-id=\"active_learning_nested_expressions\" sandbox=\"allow-same-origin allow-scripts\" loading=\"lazy\"></iframe></div>"}},{"type":"prose","value":{"id":"まとめ","title":"まとめ","isH3":false,"content":"<p>この記事では、 HTML 文書内に数式を挿入するために <code><math></code> 要素を使用する方法を見ていきました。 <code>display=\"block\"</code> を使用する場合としない場合の <code><math></code> 要素のレンダリングの違いについて学びました。さらに、他にもいくつかの MathML 要素に出会いました。分数を表す <code><mfrac></code>、グループ化を表す <code><mrow></code>、そして最後にいくつかのテキスト要素です。これらの<a href=\"/ja/docs/Web/MathML/Guides/Text_containers\">テキストコンテナー</a>については次の記事で詳しく分析します。</p>"}},{"type":"prose","value":{"id":"関連情報","title":"関連情報","isH3":false,"content":"<ul>\n<li><a href=\"/ja/docs/Web/MathML/Authoring#using_mathml\">MathML の使用</a></li>\n<li><a href=\"/ja/docs/Web/MathML/Element/math\"><code><math></code> 要素</a></li>\n<li><a href=\"/ja/docs/Web/MathML/Element/mfrac\"><code><mfrac></code> 要素</a></li>\n<li><a href=\"/en-US/docs/Web/MathML/Element/mrow\" class=\"only-in-en-us\"><code><mrow></code> 要素</a></li>\n<li><a href=\"/ja/docs/Web/CSS/math-style\"><code>math-style</code> プロパティ</a></li>\n<li><a href=\"/ja/docs/Web/CSS/math-depth\"><code>math-depth</code> プロパティ</a></li>\n</ul>\n<ul class=\"prev-next\"><li><a class=\"button secondary\" href=\"/ja/docs/Web/MathML/Guides\"><span class=\"button-wrap\"> Overview: MathML 初心者ガイド</span></a></li><li><a class=\"button secondary\" href=\"/ja/docs/Web/MathML/Guides/Text_containers\"><span class=\"button-wrap\"> 次のページ </span></a></li></ul>"}}],"isActive":true,"isMarkdown":true,"isTranslated":true,"locale":"ja","mdn_url":"/ja/docs/Web/MathML/Guides/Getting_started","modified":"2025-01-25T01:17:25.000Z","native":"日本語","noIndexing":false,"other_translations":[{"locale":"en-US","title":"Getting started with MathML","native":"English (US)"},{"locale":"de","title":"Einstieg in MathML","native":"Deutsch"},{"locale":"zh-CN","title":"MathML 使用入门","native":"中文 (简体)"}],"pageTitle":"MathML を始めよう - MathML | MDN","parents":[{"uri":"/ja/docs/Web","title":"開発者向けのウェブ技術"},{"uri":"/ja/docs/Web/MathML","title":"MathML"},{"uri":"/ja/docs/Web/MathML/Guides","title":"MathML 初心者ガイド"},{"uri":"/ja/docs/Web/MathML/Guides/Getting_started","title":"MathML を始めよう"}],"popularity":null,"short_title":"MathML を始めよう","sidebarHTML":"<ol><li class=\"section\"><a href=\"/ja/docs/Web/MathML\">MathML</a></li><li class=\"toggle\"><ol><li class=\"toggle\"><details open=\"\"><summary><a href=\"/ja/docs/Web/MathML/Guides\">Beginner's tutorials</a></summary><ol><li><em><a href=\"/ja/docs/Web/MathML/Guides/Getting_started\" aria-current=\"page\">MathML を始めよう</a></em></li><li><a href=\"/ja/docs/Web/MathML/Guides/Text_containers\">MathML テキストコンテナー</a></li><li><a href=\"/ja/docs/Web/MathML/Guides/Fractions_and_roots\">MathML 分数と根号</a></li><li><a href=\"/ja/docs/Web/MathML/Guides/Scripts\">MathML 添字要素</a></li><li><a href=\"/ja/docs/Web/MathML/Guides/Tables\">MathML 表</a></li><li><a href=\"/ja/docs/Web/MathML/Guides/Three_famous_mathematical_formulas\">課題: 三大数式</a></li></ol></details></li><li class=\"toggle\"><details><summary>Guides</summary><ol><li><a href=\"/ja/docs/Web/MathML/Authoring\">MathML の記述</a></li><li><a href=\"/ja/docs/Web/MathML/Fonts\">MathML のためのフォント</a></li></ol></details></li></ol></li><li class=\"section\">リファレンス</li><li class=\"toggle\"><details><summary>要素</summary><ol><li><a href=\"/en-US/docs/Web/MathML/Element/annotation-xml\" class=\"only-in-en-us\"><code><annotation-xml></code></a></li><li><a href=\"/en-US/docs/Web/MathML/Element/annotation\" class=\"only-in-en-us\"><code><annotation></code></a></li><li><a href=\"/en-US/docs/Web/MathML/Element/maction\" class=\"only-in-en-us\"><code><maction></code></a><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n<span class=\"visually-hidden\">非推奨;</span>\n</abbr></li><li><a href=\"/ja/docs/Web/MathML/Element/math\"><code><math></code></a></li><li><a href=\"/ja/docs/Web/MathML/Element/menclose\"><code><menclose></code></a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n<span class=\"visually-hidden\">非標準</span>\n</abbr></li><li><a href=\"/ja/docs/Web/MathML/Element/merror\"><code><merror></code></a></li><li><a href=\"/ja/docs/Web/MathML/Element/mfenced\"><code><mfenced></code></a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n<span class=\"visually-hidden\">非標準</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n<span class=\"visually-hidden\">非推奨;</span>\n</abbr></li><li><a href=\"/ja/docs/Web/MathML/Element/mfrac\"><code><mfrac></code></a></li><li><a href=\"/ja/docs/Web/MathML/Element/mi\"><code><mi></code></a></li><li><a href=\"/ja/docs/Web/MathML/Element/mmultiscripts\"><code><mmultiscripts></code></a></li><li><a href=\"/ja/docs/Web/MathML/Element/mn\"><code><mn></code></a></li><li><a href=\"/ja/docs/Web/MathML/Element/mo\"><code><mo></code></a></li><li><a href=\"/ja/docs/Web/MathML/Element/mover\"><code><mover></code></a></li><li><a href=\"/en-US/docs/Web/MathML/Element/mpadded\" class=\"only-in-en-us\"><code><mpadded></code></a></li><li><a href=\"/ja/docs/Web/MathML/Element/mphantom\"><code><mphantom></code></a></li><li><a href=\"/en-US/docs/Web/MathML/Element/mprescripts\" class=\"only-in-en-us\"><code><mprescripts></code></a></li><li><a href=\"/ja/docs/Web/MathML/Element/mroot\"><code><mroot></code></a></li><li><a href=\"/en-US/docs/Web/MathML/Element/mrow\" class=\"only-in-en-us\"><code><mrow></code></a></li><li><a href=\"/en-US/docs/Web/MathML/Element/ms\" class=\"only-in-en-us\"><code><ms></code></a></li><li><a href=\"/ja/docs/Web/MathML/Element/mspace\"><code><mspace></code></a></li><li><a href=\"/ja/docs/Web/MathML/Element/msqrt\"><code><msqrt></code></a></li><li><a href=\"/en-US/docs/Web/MathML/Element/mstyle\" class=\"only-in-en-us\"><code><mstyle></code></a></li><li><a href=\"/ja/docs/Web/MathML/Element/msub\"><code><msub></code></a></li><li><a href=\"/ja/docs/Web/MathML/Element/msubsup\"><code><msubsup></code></a></li><li><a href=\"/ja/docs/Web/MathML/Element/msup\"><code><msup></code></a></li><li><a href=\"/ja/docs/Web/MathML/Element/mtable\"><code><mtable></code></a></li><li><a href=\"/ja/docs/Web/MathML/Element/mtd\"><code><mtd></code></a></li><li><a href=\"/ja/docs/Web/MathML/Element/mtext\"><code><mtext></code></a></li><li><a href=\"/ja/docs/Web/MathML/Element/mtr\"><code><mtr></code></a></li><li><a href=\"/ja/docs/Web/MathML/Element/munder\"><code><munder></code></a></li><li><a href=\"/en-US/docs/Web/MathML/Element/munderover\" class=\"only-in-en-us\"><code><munderover></code></a></li><li><a href=\"/ja/docs/Web/MathML/Element/semantics\"><code><semantics></code></a></li></ol></details></li><li class=\"toggle\"><details><summary>Global attributes</summary><ol><li><a href=\"/en-US/docs/Web/MathML/Global_attributes/dir\" class=\"only-in-en-us\"><code>dir</code></a></li><li><a href=\"/en-US/docs/Web/MathML/Global_attributes/displaystyle\" class=\"only-in-en-us\"><code>displaystyle</code></a></li><li><a href=\"/en-US/docs/Web/MathML/Global_attributes/href\" class=\"only-in-en-us\"><code>href</code></a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n<span class=\"visually-hidden\">非標準</span>\n</abbr></li><li><a href=\"/en-US/docs/Web/MathML/Global_attributes/mathbackground\" class=\"only-in-en-us\"><code>mathbackground</code></a><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n<span class=\"visually-hidden\">非推奨;</span>\n</abbr></li><li><a href=\"/en-US/docs/Web/MathML/Global_attributes/mathcolor\" class=\"only-in-en-us\"><code>mathcolor</code></a><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n<span class=\"visually-hidden\">非推奨;</span>\n</abbr></li><li><a href=\"/en-US/docs/Web/MathML/Global_attributes/mathsize\" class=\"only-in-en-us\"><code>mathsize</code></a><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n<span class=\"visually-hidden\">非推奨;</span>\n</abbr></li><li><a href=\"/en-US/docs/Web/MathML/Global_attributes/scriptlevel\" class=\"only-in-en-us\"><code>scriptlevel</code></a></li></ol></details></li><li><a href=\"/ja/docs/Web/MathML/Attribute\">属性</a></li><li><a href=\"/ja/docs/Web/MathML/Values\">MathML の属性値</a></li><li class=\"section\">Examples</li><li class=\"toggle\"><ol><li><a href=\"/ja/docs/Web/MathML/Examples/Deriving_the_Quadratic_Formula\">MathML: 二次方程式の解の公式を導く</a></li><li><a href=\"/ja/docs/Web/MathML/Examples/MathML_Pythagorean_Theorem\">ピタゴラスの定理の証明</a></li></ol></li></ol>","source":{"folder":"ja/web/mathml/guides/getting_started","github_url":"https://github.com/mdn/translated-content/blob/main/files/ja/web/mathml/guides/getting_started/index.md","last_commit_url":"https://github.com/mdn/translated-content/commit/14f8f7ce60d55a7e311574d28afc69f4d72e58fe","filename":"index.md"},"summary":"この記事では、単純な HTML 文書を使い、そこに MathML 数式を追加する方法を、いくつかの要素を紹介しながら見ていきます。","title":"MathML を始めよう","toc":[{"text":"HTML に <math> 要素で数式を挿入する","id":"html_に_math_要素で数式を挿入する"},{"text":"<mrow> 要素でのグループ化","id":"mrow_要素でのグループ化"},{"text":"まとめ","id":"まとめ"},{"text":"関連情報","id":"関連情報"}],"pageType":"guide"}}</script></body></html>