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BASIC Source File  |  1992-06-18  |  774 b   |  20 lines
  1. '   +----------------------------------------------------------------------+
  2. '   |                                                                      |
  3. '   |           BasUpd  Copyright (c) 1992  Thomas G. Hanlin III           |
  4. '   |                                                                      |
  5. '   |            See BASUPD.DOC for info on distribution policy            |
  6. '   |                                                                      |
  7. '   +----------------------------------------------------------------------+
  8.  
  9.    DEFINT A-Z
  10.  
  11. FUNCTION WeekDay (SerialNr#)
  12.    tmp = CLNG(SerialNr#) MOD 7&
  13.    SELECT CASE tmp
  14.       CASE IS < 0: tmp = tmp + 7
  15.       CASE IS = 0: tmp = 7
  16.       CASE ELSE
  17.    END SELECT
  18.    WeekDay = tmp
  19. END FUNCTION
  20.