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Table of Contents
PlayGround
Test
LaTeX (MathJax)
$a^2 + b^2 = c^2$
\begin{align*} e^x & = 1 + x + \frac{x^2}{2} + \frac{x^3}{6} + \cdots \\ & = \sum_{n\geq 0} \frac{x^n}{n!} \end{align*}
KaTeX
KaTeX is faster to render then MathJax, but does not support stuff like \begin{align*}
$$ e^x = 1 + x + \frac{x^2}{2} + \frac{x^3}{6} + \cdots = \sum_{n \geq 0} \frac{x^n}{n!} $$
TikZJax
LaTeX code with TikZ should is placed inside <tikzjax></tikzjax>