Function::Mathematical
Atan (arctangent) 
atan(field)
atan(numeric value)
atan(500.32)
atan(-332.43)
atan(myvalue+yourvalue)
The atan function calculates the arctangent of a numeric value. The result is an angle expressed in radians between -p/2 to p/2.
Parameters
Numeric Value
Returns/Result
Numeric Value
Numeric Value
Examples
Example 1
atan(500.3)
Returns: 1.56879753
Example2
atan(-359.4)
Returns: -1.5680139
Reference
atan (arctangent)
Type
Purpose
The atanfunctioncalculates the arctangent of a numericvalue. The result is an angle expressed in radians between -p/2 to p/2.
Syntax
Returns
A numericvalue.
Usage
The numericvaluein a Trigonometricfunctioncan be aconstantvalue(as shown below), avariable, a fieldvalueor an expression.
Examples
atan(500.3)
Returns:1.56879753
atan(-359.4)
Returns:-1.5680139
