MathJax can be found here https://www.mathjax.org/

It is a really nice tool to use to render your math formule.

like:

\[\sum_{i=1}^n i^3=(\frac{n(n+1)}{2})^2\]

MathJax supports both LaTex and AscIIMath You can find there grammar here http://asciimath.org/ and here https://www.latex-project.org/