Function::Mathematical
Atan2 (arctangent 2) 
atan2(numerical field,numerical field)
atan2(numerical value,numerical value)
atam2(numerical field,numerical value)
atan2(field,33)
atan2(lookup relation field, 3)
The atan2 function calculates the arctangent of Value 1 divided by Value 2
The result is an angle expressed in radians between -p and p.
Parameters
Numerical values.
Returns/Result
Numerical value
Numerical value
Examples
Example 1
atan2(3,127)
Returns:0.02361766
Example 2
atan2(1, 1)
Returns:0.7854
Reference
atan2 (arctangent 2)
Type
Purpose
The atan2 function calculates the arctangent of Value 1 divided by Value 2
The result is an angle expressed in radians between -p and p.
Syntax
atan2( NUMERIC VALUE 1, NUMERIC VALUE 2)
Returns
A numeric value.
Usage
The numeric value in a Trigonometric function can be a constant value (as shown below), a variable, a field value or an expression.
Examples
atan2(3,127)
Returns:0.02361766
atan2(1, 1)
Returns:0.7854
