Markdown can also contain equasions such as `$$ax^2 + bx + c = 0$$` which you could solve for `$x$` with given values of `$a$`, `$b$` and `$c$`. Markdown can also contain equasions such as `$ax^2 + bx + c = 0$` which you could solve for `$x$` with given values of `$a$`, `$b$` and `$c$`. before: $\int_0^1 x^2\,dx$ after: $$\int_0^1 x^2\,dx$$