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Text File  |  1989-03-06  |  263b  |  6 lines
  1. atan2 ( y, x )
  2. four-quadrant arctangent
  3.  
  4. y—number block containing y values of angle whose tangent is y/x; x—number block containing x values of angle whose tangent is y/x.
  5.  
  6. atan2 creates a number block containing the values for the arctangent of y/x in radians.