SYNOPSIS:

func.math.atan2(y,x)

DESCRIPTION:

Get the arcus tangens of the given position (in radian).
This differs from func.math.atan in getting the right
angle for the quadrant and giving precise results for
x near 0.

SEE ALSO:

expression, variable, function, func.math,
func.math.sin, func.math.cos, func.math.tan,
func.math.asin, func.math.acos, func.math.atan,
func.math.tostring, func.math.tohex