ATAN2

Description Returns the arctangent of the specified coordinates.

Syntax ATAN2 ( x, y )

Argument	Description
x	The x coordinate.
y	The y coordinate.

Remarks The arctangent is the angle from the x axis to a line with end points at the origin (0, 0) and a point with the given coordinates (x, y). The angle is returned in radians, ranging from -PI to PI, excluding -PI.

Examples This function returns 1.11:

ATAN2(3, 6)

This function returns 3.04:

ATAN2(-1, .1)

See Also ATAN, ATANH, PI, TAN