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BASIC Source File  |  1993-01-29  |  807 b   |  21 lines
  1. '   +----------------------------------------------------------------------+
  2. '   |                                                                      |
  3. '   |        BASWIZ  Copyright (c) 1990-1993  Thomas G. Hanlin III         |
  4. '   |                                                                      |
  5. '   |                      The BASIC Wizard's Library                      |
  6. '   |                                                                      |
  7. '   +----------------------------------------------------------------------+
  8.  
  9.    DECLARE FUNCTION ArcSinS! (Nr AS SINGLE)
  10.    DECLARE FUNCTION PiS! ()
  11.  
  12.    DEFSNG A-Z
  13.  
  14. FUNCTION ArcCosS! (Nr AS SINGLE)
  15.    IF Nr < -1 OR Nr > 1 THEN
  16.       ArcCosS! = 99999!
  17.    ELSE
  18.       ArcCosS! = PiS! / 2! - ArcSinS!(Nr)
  19.    END IF
  20. END FUNCTION
  21.