# Mathematics Example

Standard deviation =$\frac{ \sqrt{\Sigma_{i = 1}^{n}(x_{i} - \bar{x})^{2}}}{n}$

where $\bar{x}$ = Σi = 1, … , n xi/n

The first formula was created entirely in LATEX, the second using HTML.

The syntax of LaTeX is rather complicated, but a useful tool is the Online LaTeX Equation Editor.