Function Block ATAN

The Function Block ATAN calculates the Arctangent.

Note: The Function Block uses radians. See Function Block DEG2RAD and RAD2DEG.

Input

A value with a number is expected at the input. The value of a string is attempted to be converted into a number. The Boolean value TRUE is converted into a 1.

Note: Also see the article String Conversion to Numbers, if you are working with strings.

Output

The output returns the Arctangent as an Integer. In case of error, the value NAN (Not a Number) is returned.