Using a Megaformula to Determine the Validity of a Credit Card Number You may not know it, but you can determine the validity of a credit card number by using a relatively complex algorithm to analyze the digits of the number. In additionanbsp;...
Title | : | Excel 2002 Formulas |
Author | : | John Walkenbach |
Publisher | : | Wiley - 2001-09-29 |
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