Mathjax

• http://docs.mathjax.org/en/latest/basic/mathematics.html

TeX support

• http://docs.mathjax.org/en/latest/input/tex/index.html

• http://docs.mathjax.org/en/latest/input/tex/macros/index.html

• Examples: MathJax basic tutorial and quick reference

Markup	Rendered

Markup	Rendered
\sqrt{a+1\over b+1}	Open
\sum_{i=0}^n i^2 = \frac{(n^2+n)(2n+1)}{6}	Open
\Biggl(\biggl(\Bigl(\bigl((x)\bigr)\Bigr)\biggr)\Biggr)

MathML

• MathML Fundamentals

AsciiMath

Support seems limited

• AsciiMath Support — MathJax 3.2 documentation