<meta name="referrer" content="no-referrer" />
<script type="module" src="/ajax/libs/jquery/3.7.0/jquery.min.js"></script>
<script type="module" src="/ajax/libs/dompurify/3.0.5/purify.min.js"></script>
<script type="module" src="/ajax/libs/wolfree/23.7.8/js/onload.js"></script>
<link rel="preload" as="style" onload="this.onload = null; this.rel = 'stylesheet';"
href="/ajax/libs/wolfree/23.7.8/css/Placeholder.css" />
<link rel="preload" as="style" onload="this.onload = null; this.rel = 'stylesheet';"
href="/ajax/libs/wolfree/23.7.8/css/PodsParser.css" />
<style>
html>body>#__next>div>header {
visibility: hidden;
height: 5rem;
}
html>body>#__next>div>footer {
visibility: hidden;
}
html>body>#__next>div>main>main>span,
html>body>#__next>div>main>main a[href*="/pro/pricing/students/"],
html>body>#__next>div>main>main a[href*="/pro/pricing/students/"]~*,
html>body>#__next>div>main>main>div>a,
html>body>#__next>div>main>main>div>a>img[src*="../_next/static/images/Logo_"][alt*="WolframAlpha computational knowledge AI"],
html>body>#__next>div>main>main>div>div>nav>a~button,
html>body>#__next>div>main>main>div>div>nav>div>div>ul>li~li~li,
/* Derivative[9][y][x] == y[x] */
html>body>#__next>div>main>main>div>div>div[class=""],
html>body>#__next>div>main>main>div>div>div>section>section> :not(div, ul, header, button),
/* Wolfram|Alpha Copyable Plain Text */
html>body>#__next>div>main>main>div>div>div>section>section>header>h2> :not(span),
html>body>#__next>div>main>main>div>div>div>section>section>div> :not(h2, select, span, div),
html>body>#__next>div>main>main>div>div>div>section>section>div>div> :not(img, button, div, a),
html>body>#__next>div>main>main a[href*="/pro/pricing/"],
html>body>#__next>div>main>main a[href*="/pro/pricing/"]~*,
html>body>#__next>div>main>main a[href*="/pro-premium-expert-support"],
html>body>#__next>div>main>main a[href*="/pro-premium-expert-support"]~*,
/* "isGDPR": true */
html>body>#__next>div>section {
display: none;
}
html>body>header {
position: absolute;
width: 100%;
z-index: 1;
}
html>body>header>nav {
text-align: center;
display: flex;
max-width: 780px;
margin: auto;
}
html>body>header>nav>a {
font-family: sans-serif;
text-decoration: none;
flex: auto;
margin: 1rem 0;
padding: 1rem 0;
}
</style>
$0
<header>
<nav>
<a href="../">Wolfree</a>
<a href="../mirror">Mirror</a>
<a href="../source">Source</a>
</nav>
</header>
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