User:Darqknight47/Sandbox

Maths markup reference

$$\begin{matrix} {2 \over 4}=0.5\,\\ ( \frac{a}{b}) \end{matrix}$$

$$\begin{matrix} \frac{2}{4} \end{matrix} = 0.5$$

$$x_{1,2}=\frac{-b\pm\sqrt{\color{Red}b^2-4ac}}{2a}$$


 * $$-x^2\,dx$$
 * $$\int_0^\infty e^{-x^2}\,dx$$