Markdown can also contain equasions such as $a x 2 + b x + c = 0$ which you could solve for $x$ with given values of $a$ , $b$ and $c$ .

before:

\int ​ 0 ​ 1 ​ ​ x ​ 2 ​ ​ d x

after:

\int ​ 0 ​ 1 ​ ​ x ​ 2 ​ ​ d x