Basic Usage:

Wrap a single $ or double $$ USD symbols around a math formula to render it with $\KaTeX$:

Example:

$f{x} = \int_{-\infty}^{\infty}\hat f\xi\ ^\infty L×WM^2+yaw$

Nodes:

1. Single $ vs Double $$ Usage ####
2. $\KaTeX$ Symbol and Syntax Reference
3. How to Troubleshoot Katex Parse Errors: $\-+fxyz$