# Inputtypes

If you run your private wiki you can allow that users can input formulae in different input formats. Therefore you have to add `\$wgMathEnableExperimentalInputFormats = true;` to your local config. Afterwards you can use two additional input modes which can be enabled via one of the following `type` attribute
`<math type="ascii">d/dxf(x)=lim_{(h->0)}(f(x+h)-f(x))/h[/itex]` and looks like