Atan

From kwiki

This article is written by Konrad, thus using rather nonstandard English:)

atan (DNM Script function)

full declaration

double atan (double)

return value

double

description

atan is an equivalent for Windows Api function atan, thus you can find it on MSDN here: http://search.msdn.microsoft.com/search/default.aspx?siteId=0&tab=0&query=atan