mathLib.atan
The system function mathLib.atan returns the arctangent of a number. The result is in radians and is in the range of -pi/2 and pi/2.
- result
- Any numeric or HEX item, as described in Mathematical (system words). The value returned by mathLib.atan is converted to the format of result.
- numericItem
- Any numeric or HEX item, as described in Mathematical (system words). The item is converted to double-precision floating point before mathLib.atan is called.