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- 4.45.2.11 -
Standard Units
Math Unit
Math Unit Procedures and Functions

ArcTan2 function

Targets: MS-DOS, OS/2, Win32


Math Unit

Calculates the arctangent angle and quadrant of the given number.

Declaration:
function ArcTan2(Y, X: Extended): Extended;
Remarks:
The ArcTan2 function calculates ArcTan(Y/X), and returns an angle in the correct quadrant. The values of X and Y must be between -264 and 264. X can not be 0. The return value will fall in the range from -Pi to Pi radians.


Previous: Csc function To the Table of Content Next: ArcTanH function
Csc function Table of Content ArcTanH function

- 4.45.2.11 -