Operator Type:
Operator Scope of Action:
Operator Purpose:
Data Type Returned:
Operator First Added:
Operator in Current Baseline:
Operator Last Altered:
Function [other Function type actions]
Item [operators of similar scope]
Mathematical [other Mathematical operators]
Number [about Number data type]
v4.0.0
Baseline
As at baseline
atan(radiansNum)
atan() converts its radiansNum, in radians, to the arctangent of that value.
$MyNumber = atan(6); returns 1.405647649 for an input of 6 radians.