# Math expressions

MathJax examples.

## simple

α+β=γ

## The Lorenz Equations

$$\begin{aligned} \dot{x} &amp; = \sigma(y-x) \\ \dot{y} &amp; = \rho x - y - xz \\ \dot{z} &amp; = -\beta z + xy \end{aligned}$$

## Coins

The probability of getting (k) heads when flipping (n) coins is
$$ P(E) = {n \choose k} p^k (1-p)^{ n-k} $$

## An Identity of Ramanujan

$$ \frac{1}{\Bigl(\sqrt{\phi \sqrt{5}}-\phi\Bigr) e^{\frac25 \pi}} = 1+\frac{e^{-2\pi}} {1+\frac{e^{-4\pi}} {1+\frac{e^{-6\pi}} {1+\frac{e^{-8\pi}} {1+\ldots} } } } $$

Author: Jim Hester Created: 2013 Apr 01 03:27:26 PM Last Modified: 2014 Apr 17 04:53:48 PM