ATAN Function

The ATAN function returns a numeric value in radians that approximates the arctangent of argument-1. The type of this function is numeric.

Usage

FUNCTION ATAN (argument-1)

Parameter

argument-1 Must be class numeric.

Returned Value

The returned value is the approximation of the arctangent of argument-1 and is greater than -pi/2 and less than +pi/2".