This is a post for testing latex formulas.
Inline formulas
$e^{ix} = \cos x + i \sin x$.
Display formulas
$$ \sum_{i = 1}^{\infty} \frac{1}{n^2} = \frac{\pi^2}{6}. $$
Test
Dec 02, 2017
Dec 02, 2017
This is a post for testing latex formulas.
$e^{ix} = \cos x + i \sin x$.
$$ \sum_{i = 1}^{\infty} \frac{1}{n^2} = \frac{\pi^2}{6}. $$