# User:Cmpsupport

Revision as of 11:51, 18 February 2013 by Cmpsupport (talk | contribs)

Test

<math>

\operatorname{erfc}(x) = \frac{2}{\sqrt{\pi}} \int_x^{\infty} e^{-t^2}\,dt = \frac{e^{-x^2}}{x\sqrt{\pi}}\sum_{n=0}^\infty (-1)^n \frac{(2n)!}{n!(2x)^{2n}} </math>