Calculate the arctangent of a tangent value.
double atan <double:value>
| Name | Type | Comment | 
|---|---|---|
| value | double | A tangent value, the arctangent of which is to be calculated. | 
The arctangent of the tangent value, as a double-precision angle, in radians.
echo <zs:RadToDeg <zs:atan 1>> // atan of 1 should be 45 degrees
… the output of which is written to the event log by echo as:
45
None.