Demo Blog Post

Inline math looks like this

This is text with inline math $\sum_{n=1}^{\infty} 2^{-n} = 1$

This is text with inline math $\sum_{n=1}^{\infty} 2^{-n} = 1$
and with math blocks:

$$
\sum_{n=1}^{\infty} 2^{-n} = 1
$$

$$ \sum_{n=1}^{\infty} 2^{-n} = 1 $$