Test math mode Posted byadmin 2020-01-072020-01-10 1 Comment on Test math mode x^2-9=0; \int_{-\infty}^\infty e^{-x^2/2}dx=\sqrt{2\pi}. EDIT: This post uses the “KaTeX” plugin.

Math mode in a comment?

[katex]\sqrt\pi[/katex]