My Math Post

Here's Einstein's famous equation: $E = mc^2$E=mc2

The quadratic formula is:

$$x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$$x=2a−b±b2−4ac​​

And here's a matrix:

$$\begin{pmatrix} a & b \\ c & d \end{pmatrix}$$(ac​bd​)