Brian Dunning's FileMaker Custom Functions

LuhnDoubleEven ( makeEven )

Part of the Luhn function

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Geoff Wells   Geoff Wells
DataIsland Software LLC
http://www.dataisland.com

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  Sample input:
NA - called internally by Luhn
  Sample output:
NA

  Function definition: (Copy & paste into FileMaker's Edit Custom Function window)

One of two additional functions that must be defined before Luhn

 

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