ATAN
Created: September 05, 2015 | Updated: August 13, 2021
| Applies to versions: 1.0, 1.1, 2.0, 2.1, 3.0, 3.1 and 3.2
Now reading version 2.1. For the latest, read: ATAN for version 4
Parent page: System Query Functions - Trigonometry Functions
Summary
Returns a (real) number whose value is equal to the angle of the inverse tangent of the number specified by the parameter's numeric value; that angle is in units of radians (and not degrees).
Syntax
ATAN(X : Number / Numeric_String) : Number
Example Usage
ATAN(0)
Returns 0.
ATAN(1)
Returns 0.7854.
ATAN(2.5)
Returns 1.1903.