KaTeX can be used to generate complex math formulas. It supports in-line math using the `\\( ... \\)` delimiters, like this: \\( E = mc^2 \\). By default, it does *not* support in-line delimiters `$...$` because those occur too commonly in typical webpages. It supports displayed math using the `$$` or `\\[...\\]` delimiters, like this:
Remember, certain characters are rendered by markdown, so you may need to workaround those issues. You can find the complete list of KaTeX supported functions here: [https://khan.github.io/KaTeX/docs/supported.html](https://khan.github.io/KaTeX/docs/supported.html)
For example, the `'` character can be replaced with `^\prime`:
$$
G^\prime = G - u
$$
The `"` character can be replaced with `^{\prime\prime}`: