This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. ===== Arc Tangent ====== ==== atan( a ) ==== Return the arc tangent of a. === Description === <code>atan( a )</code> Return the arc tangent of a. === Parameters === | ''a'' | Angle in radians [-1 to +1]| === Return value === arc tangent of a === Example usage === <code>atan( 1 )</code> Returns 0.7854... ezeio2/expref/atan.txt Last modified: 2019-09-02 18:47by andreh Log In