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KaTeX – The fastest math typesetting library for the web
source link: https://katex.org/
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KaTeX\KaTeXKATEX
The fastest math typesetting library for the web.
Type an expression:
See how it renders with KaTeX\KaTeXKATEX:
f(x)=∫−∞∞f^(ξ) e2πiξx dξ% \f is defined as #1f(#2) using the macro
\f\relax{x} = \int_{-\infty}^\infty
\f\hat\xi\,e^{2 \pi i \xi x}
\,d\xif(x)=∫−∞∞f^(ξ)e2πiξxdξ
Simple API, no dependencies – yet super fast on all major browsers.
- Fast: KaTeX renders its math synchronously and doesn’t need to reflow the page.
- Print quality: KaTeX’s layout is based on Donald Knuth’s TeX, the gold standard for math typesetting.
- Self contained: KaTeX has no dependencies and can easily be bundled with your website resources.
- Server side rendering: KaTeX produces the same output regardless of browser or environment, so you can pre-render expressions using Node.js and send them as plain HTML.
1(ϕ5−ϕ)e25π=1+e−2π1+e−4π1+e−6π1+e−8π1+⋯\displaystyle \frac{1}{\Bigl(\sqrt{\phi \sqrt{5}}-\phi\Bigr) e^{\frac25 \pi}} = 1+\frac{e^{-2\pi}} {1+\frac{e^{-4\pi}} {1+\frac{e^{-6\pi}} {1+\frac{e^{-8\pi}} {1+\cdots} } } }(ϕ5−ϕ)e52π1=1+1+1+1+1+⋯e−8πe−6πe−4πe−2π
(∑k=1nakbk)2≤(∑k=1nak2)(∑k=1nbk2)\displaystyle \left( \sum_{k=1}^n a_k b_k \right)^2 \leq \left( \sum_{k=1}^n a_k^2 \right) \left( \sum_{k=1}^n b_k^2 \right)(k=1∑nakbk)2≤(k=1∑nak2)(k=1∑nbk2)
1+q2(1−q)+q6(1−q)(1−q2)+⋯=∏j=0∞1(1−q5j+2)(1−q5j+3),for ∣q∣<1.\displaystyle {1 + \frac{q^2}{(1-q)}+\frac{q^6}{(1-q)(1-q^2)}+\cdots }= \prod_{j=0}^{\infty}\frac{1}{(1-q^{5j+2})(1-q^{5j+3})}, \quad\quad \text{for }\lvert q\rvert<1.1+(1−q)q2+(1−q)(1−q2)q6+⋯=j=0∏∞(1−q5j+2)(1−q5j+3)1,for ∣q∣<1.
Lightning-fast, even on pages with hundreds of expressions:
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