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Created: 2015-10-04 05:29:07, Last updated: 2020-05-06 07:38:23

how the luhns formulae is done on calculators

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Luhn algorithm

This calculator calculates digit sequence checksum using Luhn algorithm (mod 10) and validation digit, the digit to be appended to the digit sequence to make whole sequence checksum equal to zero.

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PLANETCALC, request

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