OpenOffice3.org Calc 3. Mathematical Functions

ATAN2(Number_x;Number_y) Function

Calculates the arctangent of the coordinates specified by the arguments. The argument “Number_x” contains a numeric value that specifies the X-coordinate. The argument “Number_y” contains a numeric value that specifies the Y-coordinate. This function returns the result in radians. The result of the function is between -pi and pi. For example:

=ATAN2(10;20) Returns 1,107.
=ATAN2(30;30) Returns 0,185.

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