# Testing Math

I installed Math JAX the other day, and I want to test it out a little bit:

$$A=\pi r^2$$

$$e^{\pi i}=-1$$

This message will self-destruct in 5...4... 3...

I installed Math JAX the other day, and I want to test it out a little bit:

$$A=\pi r^2$$

$$e^{\pi i}=-1$$

This message will self-destruct in 5...4... 3...