Atan function

Syntax

Atan(value)

Description

Use the Atan function to calculate the arctangent of the given value, that is, the size of the angle whose tangent is that value.

Parameters

Parameter	Description
value	Any real number.

Returns

A value in radians between -pi/2 and pi/2.

Example

The following example returns the size in radians of the angle whose tangent is 0.5:

&MY_ANGLE = Atan(0.5);