Parameters
X—numeric value.
Return Values
Calculated arc tangent value.
If an error occurs, $procerror contains a negative value that identifies the exact error.
Use
Allowed in all component types.
Description
The $atan function calculates the arc tangent of X, that is, it returns that angle, in radians, whose tangent ($tan) is X.
Using $atan
The following example returns the arc tangent of the given expression:
vResult = $atan(1 / 2)
