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About Fidalguito

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  1. Hello! Many thanks to the formula works very well. The numbers will be used for military identification.
  2. Hello! My System is Windows 10 and the version is Filemaker Advanced 18. I would like if possible that the first 8 numbers were a predefined series (eg 19510889), then Filemaker would compute and add the check digit (eg 9) to the field. That is, in the ID field (ex.) It appeared at the end 19510889 9 In other words, when creating a new registry it would automatically put the serial number + the verification digit Examples: John ID - 19510889 9 Steve ID - 19510890 7 Alex ID - 19510891 5 The verification digit is based on the Luhn algorithm. Thank you for your support.
  3. Hello! I am building a database and came up this little problem can help. The identification number is composed of 9 digits, the first 8 digits being in series and the last one is digit check based on the algorithm of Luth, that is, instead of confirming and manually entering the identification number, there would be no a calculation / script that when creating a new record it created an identification number with the requirements above. Here is an example: 19510889 2 19510890 0 19510891 4 Thank you,
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