To use LaTeX in an document place the code anywhere in the document. Enclose equations such as using

\(E=mc^2\)

or you can use native LaTex syntax $$E=mc^2$$

If you want to use both of these syntax types, you can place the shortcode   into your article and you’re free to use any syntax type you want.

Finally, you can use the shortcode  to disable mathjax for certain pages.syntax type you want.