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px-5 py-3" href="//www.dotmatics.com/portfolio" target="_blank">Explore the Applications<i class="wrapper-icon wrapper-icon-link-ext ml-4"></i></a> </div> </div> </div> </div> </div> </span> </span> </div> </div> </div> </section> <header class="header" role="banner"> <div class="grid-container"> <div class="header__layout navbar grid-x grid-padding-x"> <div class="cell"> <div class="grid-x align-justify"> <div class="navbar__header align-justify"> <div class="header__logo"> <a href="/" class="header__logo-link h-13" data-qa-selector="returnToHomeHD"> <img src="//cdn.graphpad.com/assets/0.94.0/images/logo/logo-graphpad-white-no-dotmatics.svg" class="image logo h-12" alt="GraphPad by Dotmatics" /> </a> </div> <button type="button" class="navbar__toggle" data-toggle="collapse" data-target="#navbar" aria-expanded="false"> <span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </button> </div> <div class="navbar__collapse collapse " id="navbar"> <ul class="nav nav--inverted primary-nav"> <li id="prismDropdown" class="dropdown dropdown--mega-menu"> <span class="dropdown-title nav__item-link"> <span> <span>Prism</span> <span class="dropdown-title__triangle"> <i class="wrapper-icon m-0 wrapper-icon-angle-down"></i> </span> </span> </span> <span class="dropdown-body dropdown-body--align-left bg-color-white"> <div class="grid-container"> <div class="grid-x grid-margin-x grid-margin-y justify-content-center py-3"> <div class="cell small-12 medium-4 large-3 divider-right-black-20-med divider-right-black-20-last-0"> <p class="text-s text-color-black--60 pl-1">FEATURES</p> <div class="my-0--sm my-0--md my-3--lg"> <div> <a href="/features" class="text-color-black text-color-2--hover text-weight--400 pl-1 pb-0--sm pb-0--md nav__item-link">Prism Overview</a> </div> <div class="text-s text-color-black--46 mt-0 pl-1">Analyze, graph and present your work</div> </div> <div class="my-0--sm my-0--md my-3--lg"> <div> <a href="/features#analysis" 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class="secondary-nav__item secondary-nav__item-profile" data-qa-selector="signInTabHD"> <a href="/myaccount" class="link nav__item-link" data-qa-selector="myAccountHD"><span class="gp-icon gp-icon-profile"></span>Sign In</a> </li> <li class="secondary-nav__item secondary-nav__item-search dropdown"> <a href="javascript:void(0);" class="link nav__item-link" id="headerBlockSearch" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false"> <span class="gp-icon gp-icon-search" data-qa-selector="mainSearchHD"></span> </a> <div class="header__search dropdown-menu" aria-labelledby="headerBlockSearch"> <div class="grid-container"> <div class="grid-x"> <div class="cell"> <form method="get" action="/search/" class="search-form field"> <input id="searchquery" name="searchquery" type="search" class="field__input field__search " placeholder="Search..." autocomplete="off"> </form><!-- end search-form --> </div> </div> </div> </div> </li> <li class="secondary-nav__item secondary-nav__item-trial"> <a href="/demos/" class="button button-s" data-qa-selector="freeTrialHD"><span class="gp-icon gp-icon-download"></span>Free Trial</a> </li> </ul> </div><!-- /.navbar-collapse --> </div> </div> </div> </div><!-- /.container-fluid --> </header><!-- /.header --> <script type="text/javascript"> function gpSetDropdown(container) { if (!container) { return false; } var dropdown = container.querySelector(".dropdown") || container; var title = container.querySelector(".dropdown-title"); title.onclick = toggleDropdown; var body = container.querySelector(".dropdown-body"); var icon = container.querySelector(".wrapper-icon"); function toggleDropdown() { dropdown.classList.toggle("dropdown--open"); title.classList.toggle("dropdown-title--open"); body.classList.toggle("dropdown-body--open"); icon.classList.toggle("wrapper-icon-angle-up"); icon.classList.toggle("wrapper-icon-angle-down"); if (dropdown.classList.contains("dropdown--open")) { document.addEventListener("click", dropdownClickListener); } else { document.removeEventListener("click", dropdownClickListener); } } function dropdownClickListener(event) { if (!container.contains(event.target) && !dropdown.contains(event.target) && dropdown.classList.contains("dropdown--open")) { toggleDropdown(); } } } gpSetDropdown(document.getElementById("topbar")); gpSetDropdown(document.getElementById("prismDropdown")); </script> <style> </style> <div role="main"> <section class="section gp-purple-gradient py-2 py-6--medium"> <div class="grid-container my-8--medium"> <div class="grid-x align-center"> <div class="cell medium-12 large-10 text-center mt-8"> <a class="link max-h-24" href="/features"><img alt="GraphPad Prism" class="image logo max-h-24" data-qa-selector="mainLogo" src="//cdn.graphpad.com/assets/0.94.0/images/logo/logo-prism-white.svg"></a> </div> <div class="cell mt-6 mt-14--medium mb-8 text-center"> <h2 class="heading heading-l heading--inverted">Analyze, graph and present your scientific work.</h2> </div> <div class="cell medium-9 large-7"> <div class="grid-x align-center"> <div class="cell medium-5 large-4 mr-8--medium mb-4 mb-0--medium"><a class="button button--block" href="/demos/" data-qa-selector="tryForFreeMainBtn">Try for Free </a></div> <div class="cell medium-5 large-4"><a class="button button--block button_secondary--inverted" href="/how-to-buy/" data-qa-selector="pricingMainBtn">Pricing </a></div> </div> </div> <div class="cell medium-9 large-7 mt-8"> <div class="grid-x align-center"> <div class="cell medium-5 large-4 mr-8--medium text-center"> <a class="link link--inverted " data-toggle="modal" href="#modal_t90exd36l0" data-qa-selector="watchTheVideoMainClk">Watch the Video<span class="ml-2 gp-icon gp-icon-play"></span> </a> </div> <div class="cell medium-5 large-4 text-center"><a class="link link--inverted " href="/features/" data-qa-selector="learnMoreMainClk">Learn More </a></div> </div> </div> </div> </div> </section> <section class="gp-blue"> <div class="grid-container"> <div class="grid-x align-center align-middle px-4"> <a class="link link--inverted link--block py-4 text-l text-center text-gp-white " href="/prism-academy" data-qa-selector="prismAcademyClk">Advance your skills with our new online learning center, Prism Academy <span class="text-s px-3">|</span> <span class="text--bold-medium text--underline">Learn More</span> </a> </div> </div> </section> <section class="section gp-light-gray-3 py-2 py-6--medium"> <div class="grid-container"> <div class="grid-x align-center-middle"> <div class="cell auto px-1 text-center"><img alt="CDC" class="image " src="//cdn.graphpad.com/assets/0.94.0/images/logo/customers/cdc.png" data-qa-selector="cdcImg"></div> <div class="cell auto px-1 text-center"><img alt="Novartis" class="image " src="//cdn.graphpad.com/assets/0.94.0/images/logo/customers/novartis.png" data-qa-selector="novartisImg"></div> <div class="cell auto px-1 text-center"><img alt="Nestle" class="image " src="//cdn.graphpad.com/assets/0.94.0/images/logo/customers/nestle.png" data-qa-selector="nestleImg"></div> <div class="cell auto px-1 text-center"><img alt="University of Oxford" class="image " src="//cdn.graphpad.com/assets/0.94.0/images/logo/customers/oxford.png" data-qa-selector="oxfordImg"></div> <div class="cell auto px-1 text-center"><img alt="NASA" class="image " src="//cdn.graphpad.com/assets/0.94.0/images/logo/customers/nasa.png" data-qa-selector="nasaImg"></div> </div> <div class="grid-x align-center-middle"> <div class="cell auto px-1 text-center"><img alt="Harvard University" class="image " src="//cdn.graphpad.com/assets/0.94.0/images/logo/customers/harvard.png" data-qa-selector="harvardUniversityImg"></div> <div class="cell auto px-1 text-center"><img alt="Pioneer" class="image " src="//cdn.graphpad.com/assets/0.94.0/images/logo/customers/pioneer.png" data-qa-selector="pioneerImg"></div> <div class="cell auto px-1 text-center"><img alt="Sanofi" class="image " src="//cdn.graphpad.com/assets/0.94.0/images/logo/customers/sanof.png" data-qa-selector="sanofiImg"></div> <div class="cell auto px-1 text-center"><img alt="Dow AgroScience" class="image " src="//cdn.graphpad.com/assets/0.94.0/images/logo/customers/dow-agro.png" data-qa-selector="dowAgroScienceImg"></div> <div class="cell auto px-1 text-center"><img alt="Merck" class="image " src="//cdn.graphpad.com/assets/0.94.0/images/logo/customers/merck.png" data-qa-selector="merckImg"></div> </div> </div> </section> <section class="section "> <div class="grid-container my-8"> <h2 class="heading heading-xl mb-15 text-center">Why Choose Prism?</h2> <div class="grid-x grid-padding-x"> <div class="cell"> <div class="grid-x grid-padding-x align-middle mb-8 "> <div class="cell medium-6 small-order-2 medium-order-1"> <h3 class="heading heading-l">Save Time Performing Statistical Analyses</h3> <p class="text-l">A versatile statistics tool purpose-built for scientists-not statisticians. Get a head start by entering data into tables that are structured for scientific research and guide you to statistical analyses that streamline your research workflow. No coding required.</p> <a class="button button-s button_secondary mr-6" href="/demos/" data-qa-selector="saveTimeFreeTrialBtn">Start Free Trial </a> <a class="link text-m " href="/features" data-qa-selector="saveTimeLearnMoreClk"> Learn more </a></div> <div class="cell medium-6 small-order-1 medium-order-2"> <figure> <picture class="grid-x align-center-middle picture " data-qa-selector="saveTimeImg"> <source media="(min-width: 768px)" srcset="//cdn.graphpad.com/assets/0.94.0/images/srcset/home-screenshot-savetime-w2048-800.png 1x, //cdn.graphpad.com/assets/0.94.0/images/srcset/home-screenshot-savetime-w2048-1600.png 2x"> <source media="(min-width: 480px)" srcset="//cdn.graphpad.com/assets/0.94.0/images/srcset/home-screenshot-savetime-w2048-500.png 1x, //cdn.graphpad.com/assets/0.94.0/images/srcset/home-screenshot-savetime-w2048-1000.png 2x"> <source media="(min-width: 320px)" srcset="//cdn.graphpad.com/assets/0.94.0/images/srcset/home-screenshot-savetime-w2048-400.png 1x, //cdn.graphpad.com/assets/0.94.0/images/srcset/home-screenshot-savetime-w2048-800.png 2x"> <img alt="Save Time Performing Statistical Analyses" class="image cell shrink picture__img" src="//cdn.graphpad.com/assets/0.94.0/images/srcset/home-screenshot-savetime-w2048-800.png"> </picture> </figure> </div> </div> </div> </div> <div class="grid-x grid-padding-x"> <div class="cell"> <div class="grid-x grid-padding-x align-middle mb-8 "> <div class="cell medium-6"> <figure> <picture class="grid-x align-center-middle picture " data-qa-selector="infAnalysisChoicesImg"> <source media="(min-width: 768px)" srcset="//cdn.graphpad.com/assets/0.94.0/images/srcset/home-screenshot-moreaccurate-w2100-800.png 1x, //cdn.graphpad.com/assets/0.94.0/images/srcset/home-screenshot-moreaccurate-w2100-1600.png 2x"> <source media="(min-width: 480px)" srcset="//cdn.graphpad.com/assets/0.94.0/images/srcset/home-screenshot-moreaccurate-w2100-500.png 1x, //cdn.graphpad.com/assets/0.94.0/images/srcset/home-screenshot-moreaccurate-w2100-1000.png 2x"> <source media="(min-width: 320px)" srcset="//cdn.graphpad.com/assets/0.94.0/images/srcset/home-screenshot-moreaccurate-w2100-400.png 1x, //cdn.graphpad.com/assets/0.94.0/images/srcset/home-screenshot-moreaccurate-w2100-800.png 2x"> <img alt="Make More Accurate, More Informed Analysis Choices" class="image cell shrink picture__img" src="//cdn.graphpad.com/assets/0.94.0/images/srcset/home-screenshot-moreaccurate-w2100-800.png"> </picture> </figure> </div> <div class="cell medium-6"> <h3 class="heading heading-l">Make More Accurate, More Informed Analysis Choices</h3> <p class="text-l">Gain insights and guidance at every step so you make the right analysis choices, understand the underlying assumptions, and accurately interpret your data along the way.</p> <a class="button button-s button_secondary mr-6" href="/demos/" data-qa-selector="makeMoreFreeTrialBtn">Start Free Trial </a> <a class="link text-m " href="/features" data-qa-selector="makeMoreLearnMoreClk"> Learn more </a> </div> </div> </div> </div> <div class="grid-x grid-padding-x"> <div class="cell"> <div class="grid-x grid-padding-x align-middle mb-8 "> <div class="cell medium-6 small-order-2 medium-order-1"> <h3 class="heading heading-l">Tell a Story With Your Data</h3> <p class="text-l">Go from data to elegant, publication-quality graphs-with ease. Prism offers countless ways to customize your graphs, from color schemes to how you organize data. Export into almost any format, send to PowerPoint, or email directly from the application.</p> <a class="button button-s button_secondary mr-6" href="/demos/" data-qa-selector="tellAStoryFreeTrialBtn">Start Free Trial </a> <a class="link text-m " href="/features" data-qa-selector="tellAStoryLearnMoreClk"> Learn more </a> </div> <div class="cell medium-6 small-order-1 medium-order-2"> <figure> <picture class="grid-x align-center-middle picture" data-qa-selector="tellAStoryImg"> <source media="(min-width: 768px)" srcset="//cdn.graphpad.com/assets/0.94.0/images/srcset/home-screenshot-tellastory-w2096-800.png 1x, //cdn.graphpad.com/assets/0.94.0/images/srcset/home-screenshot-tellastory-w2096-1600.png 2x"> <source media="(min-width: 480px)" srcset="//cdn.graphpad.com/assets/0.94.0/images/srcset/home-screenshot-tellastory-w2096-500.png 1x, //cdn.graphpad.com/assets/0.94.0/images/srcset/home-screenshot-tellastory-w2096-1000.png 2x"> <source media="(min-width: 320px)" srcset="//cdn.graphpad.com/assets/0.94.0/images/srcset/home-screenshot-tellastory-w2096-400.png 1x, //cdn.graphpad.com/assets/0.94.0/images/srcset/home-screenshot-tellastory-w2096-800.png 2x"> <img alt="Tell a Story With Your Data" class="image cell shrink picture__img" src="//cdn.graphpad.com/assets/0.94.0/images/srcset/home-screenshot-tellastory-w2096-800.png"> </picture> </figure> </div> </div> </div> </div> <div class="grid-x grid-padding-x"> <div class="cell"> <div class="grid-x grid-padding-x align-middle mb-8 "> <div class="cell medium-6"> <figure> <picture class="grid-x align-center-middle picture " data-qa-selector="educationalResourcesImg"> <source media="(min-width: 768px)" srcset="//cdn.graphpad.com/assets/0.94.0/images/srcset/prism-cloud-w1311-800.png 1x, //cdn.graphpad.com/assets/0.94.0/images/srcset/prism-cloud-w1311-1311.png 2x"> <source media="(min-width: 480px)" srcset="//cdn.graphpad.com/assets/0.94.0/images/srcset/prism-cloud-w1311-500.png 1x, //cdn.graphpad.com/assets/0.94.0/images/srcset/prism-cloud-w1311-1000.png 2x"> <source media="(min-width: 320px)" srcset="//cdn.graphpad.com/assets/0.94.0/images/srcset/prism-cloud-w1311-400.png 1x, //cdn.graphpad.com/assets/0.94.0/images/srcset/prism-cloud-w1311-800.png 2x"> <img alt="Collaboration. Simplified." class="image cell shrink picture__img" src="//cdn.graphpad.com/assets/0.94.0/images/srcset/prism-cloud-w1311-800.png"> </picture> </figure> </div> <div class="cell medium-6"> <h3 class="heading heading-l">Collaboration. Simplified.</h3> <p class="text-l">Prism makes it easy to collaborate with colleagues and share your research with the world. Level up your efficiency and use Prism Cloud to avoid those messy email threads. Publish your work to Prism Cloud and invite others to view and provide feedback on your projects. Keep all of your discussions in one place while securely controlling who has access to your work.</p> <a class="link text-m " href="/cloud" data-qa-selector="cloudLearnMoreClk">Learn more </a> </div> </div> </div> </div> </div> </section> <section class="section gp-purple-gradient mb-0 pb-0"> <div class="grid-container mt-6 text-center"> <div class="grid-x align-center" data-qa-selector="introducingPrism"> <div class="cell"> <h2 class="heading heading-xl heading--inverted">Introducing Prism 10</h2> <p class="text-xxl text--inverted">Powerful data analysis. Advanced graph customization. Simplified collaboration.</p> <a class="link link--inverted " href="/updates/prism-1000-release-notes" data-qa-selector="introducingLearnMoreClk">Learn More </a> </div> <div class="cell mt-6"> <div class="video-container"> <div class="video " data-video-id="ztd8by1usi"> <div class="grid-x"> <div class="cell large-12"> <div class="wistia_embed wistia_async_ztd8by1usi video-embed--light-shadow"></div> </div> </div> </div> </div> </div> </div> </div> </section> <section class="section gp-light-gray-3 pb-12"> <div class="grid-container mt-6 text-center"> <div class="grid-x align-center"> <div class="cell medium-9"> <h2 class="heading heading-xl">The Tool of Choice for the World's Scientists</h2> <p class="text-xxxl mb-2">More than 750,000 scientists in 110 countries rely on Prism to help share their research with the world.</p> <a class="link " href="/features" data-qa-selector="moreThanLearnMoreClk">Learn More </a> </div> <div class="cell medium-9 mt-16 pt-6"> <div class="grid-x align-center-middle "> <blockquote class="cell blockquote grid-x align-center-middle "> <div class="cell text-center"> <img class="image " src="//cdn.graphpad.com/assets/0.94.0/images/icons/star.svg"> <img class="image " src="//cdn.graphpad.com/assets/0.94.0/images/icons/star.svg"> <img class="image " src="//cdn.graphpad.com/assets/0.94.0/images/icons/star.svg"> <img class="image " src="//cdn.graphpad.com/assets/0.94.0/images/icons/star.svg"> <img class="image " src="//cdn.graphpad.com/assets/0.94.0/images/icons/star.svg"> </div> <div class="cell"> <p class="text-xxxl text-gp-purple text--italic font-barlow-light-italic">"Prism is the only easy to use nonlinear regression analysis software on the market. Graphing options are top notch."</p> </div> </blockquote> <div class="cell cite text-m font-barlow-light my-0"> <p class="text-m font-barlow-light my-0"><cite>David R. Edwards, PhD<cite> </cite></cite></p> <p class="text-m font-barlow-light my-0"><cite>Senior R&D Scientist<cite> </cite></cite></p> <p class="text-m font-barlow-light my-0"><cite>Afton Chemical<cite> </cite></cite></p> </div> </div> </div> </div> </div> </section> <section class="gp-white pt-10 pb-4"> <div class="grid-container text-center"> <div class="grid-x align-center"> <div class="cell medium-9"> <h2 class="heading heading-xl">Resources</h2> <p class="text-xxxl">Master the key principles of statistics with GraphPad's hugely popular educational guides and resources.</p> </div> <div class="cell mt-10"> <div class="grid-x grid-padding-x medium-up-2 large-up-3 text-center align-center"> <div class="cell pb-12"> <div class="card"> <div class="card__header"> <a class="link " href="https://go.graphpad.com/ebook/5-regression-analysis-mistakes-2" data-qa-selector="avoidCommonImgClk"><img alt="Avoid Common Statistical Mistakes" class="image " src="//cdn.graphpad.com/assets/0.94.0/images/icons/home/avoid-common-stats-mistakes.svg" data-qa-selector="avoidCommonImg"> </a> </div> <div class="card__main"> <h3 class="heading card__heading heading-l"><a class="link " href="https://go.graphpad.com/ebook/5-regression-analysis-mistakes-2" data-qa-selector="avoidCommonClk">Avoid Common Statistical Mistakes </a></h3> <p class="card__text text-m">Statistics help you understand patterns in the world. But analyzing data incorrectly can result in misleading or false conclusions when interpreting those patterns. This guide will help you avoid common mistakes that many textbooks barely mention.</p> </div> </div> </div> <div class="cell pb-12"> <div class="card"> <div class="card__header"> <a class="link " href="/guides/prism/latest/curve-fitting/" data-qa-selector="curveFittingImgClk"><img alt="The Curve Fitting Guide" class="image " src="//cdn.graphpad.com/assets/0.94.0/images/icons/home/curve-fitting-guide.svg" data-qa-selector="curveFittingImg"> </a> </div> <div class="card__main"> <h3 class="heading card__heading heading-l"><a class="link " href="/guides/prism/latest/curve-fitting/" data-qa-selector="curveFittingClk">The Curve Fitting Guide </a></h3> <p class="card__text text-m">Many scientists fit curves more often than they use any other statistical technique, yet many don't really understand the principles. 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