ATAN

The ATAN function returns a numeric value in radians that approximates the arctangent of the argument specified.

The function type is numeric.

Format

Read syntax diagramSkip visual syntax diagramFUNCTION ATAN(argument-1 )
argument-1
Must be class numeric.

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