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<a class="hover:underline hover:underline-neutral-300 dark:underline-neutral-600" href=/congo/samples/mathematical-notation/>Mathematical notation</a><span class="px-1 text-primary-500">/</span>
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<h1 class="mt-0 text-4xl font-extrabold text-neutral-900 dark:text-neutral">
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Mathematical notation
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<time datetime="2019-03-08 00:00:00 +0000 UTC">8 March 2019</time><span class="px-2 text-primary-500">·</span><span title="Reading time">1 min</span>
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<section class="prose dark:prose-light">
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<p>KaTeX can be used to render mathematical notation within articles.</p>
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<p>Congo will only bundle the KaTeX assets into your project if you make use of mathematical notation. In order for this to work, simply include the <a href=https://jpanther.github.io/congo/docs/shortcodes/#katex><code>katex</code> shortcode</a> within the article. Any KaTeX syntax on that page will then be automatically rendered.</p>
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<p>Use the online reference of <a href=https://katex.org/docs/supported.html>supported TeX functions</a> for the available syntax.</p>
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<h2 id=inline-notation>Inline notation <a class=heading-anchor href=#inline-notation aria-label=Anchor>#</a></h2>
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<p>Inline notation can be generated by wrapping the expression in <code>\\(</code> and <code>\\)</code> delimiters.</p>
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<p><strong>Example:</strong></p>
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<div class=highlight><pre tabindex=0 class=chroma><code class=language-tex data-lang=tex><span class=c>% KaTeX inline notation
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</span><span class=c></span>Inline notation: <span class=k>\\</span>(<span class=k>\varphi</span> = <span class=k>\dfrac</span><span class=nb>{</span>1+<span class=k>\sqrt</span>5<span class=nb>}{</span>2<span class=nb>}</span>= 1.6180339887…<span class=k>\\</span>)
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</code></pre></div><p>Inline notation: \(\varphi = \dfrac{1+\sqrt5}{2}= 1.6180339887…\)</p>
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<h2 id=block-notation>Block notation <a class=heading-anchor href=#block-notation aria-label=Anchor>#</a></h2>
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<p>Alternatively, block notation can be generated using <code>$$</code> delimiters. This will output the expression in its own HTML block.</p>
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<p><strong>Example:</strong></p>
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<div class=highlight><pre tabindex=0 class=chroma><code class=language-tex data-lang=tex><span class=c>% KaTeX block notation
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</span><span class=c></span><span class=sb>$$</span><span class=nb>
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</span><span class=nb> </span><span class=nv>\varphi</span><span class=nb> </span><span class=o>=</span><span class=nb> </span><span class=m>1</span><span class=o>+</span><span class=nv>\frac</span><span class=nb>{</span><span class=m>1</span><span class=nb>} {</span><span class=m>1</span><span class=o>+</span><span class=nv>\frac</span><span class=nb>{</span><span class=m>1</span><span class=nb>} {</span><span class=m>1</span><span class=o>+</span><span class=nv>\frac</span><span class=nb>{</span><span class=m>1</span><span class=nb>} {</span><span class=m>1</span><span class=o>+</span><span class=nv>\cdots</span><span class=nb>} } }
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</span><span class=nb></span><span class=s>$$</span>
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</code></pre></div><p>$$
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\varphi = 1+\frac{1} {1+\frac{1} {1+\frac{1} {1+\cdots} } }
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$$</p>
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