Gosia

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-;Example of overleftrightarrow on its own (known to fail):
+<math>
-:<math>\overleftrightarrow{A B}</math>
+\begin{document}
-;Example of \overleftrightarrow with other ams-math functions (known to work correctly):
-:<math>\overleftrightarrow{A B} \mathit{i}</math>&nbsp;&nbsp;&nbsp;&nbsp;or&nbsp;&nbsp;&nbsp;&nbsp;<math>\overleftrightarrow{A B}</math>
+\[ \int \int_D f(x,y)\,dx\,dy.\]
+\end{document}
+</math>
+<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>
 ==The Gosia Forum==

Revision as of 01:30, 28 April 2011