Luhn ( number )
The Luhn Mod-10 algorithm used to validate credit card numbers
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DataIsland Software LLC
// This is a valid Mod 10 number
Function definition: (Copy & paste into FileMaker's Edit Custom Function window)
The Luhn Mod-10 algorithm is used to validate ( check for input errors ) of many credit cards and Canadian Social Security numbers.
Jul 15, 2009
|This function is perfect. Thank you for your good comments.|
Dave C., Vancouver, Canada
May 1, 2015
|Works great (once I realized I needed to put in 'number' as a parameter for Luhn, 'doubleEven' for LuhnProduct; and 'makeEven' for LuhnDoubleEven).|
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