LIB 1
[75300,2517]
VCARD.ZIP/Bin   Bytes:   7720, Count:    8, 15-Dec-91
  C:\TAP\APORTFOL.CAT
  Title   : Verify Credit Card numbers
  Keywords: CREDIT CARD SALES VERIFICATION

  A neat program to verify Credit Card numbers.  Type in the number, and
  this program will tell you if it is valid, and indicate if it is
  Mastercard, Visa, or American Express.  With source, Modified to run on the
  Portfolio. To compile, you will need the Portfolio Turbo Pascal Unit.




