Luhn checksum

Calulates checksum using Luhn algorithm. Luhn algoritm is popular in credit card number validation.

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Created: 2013-05-25 20:33:44, Last updated: 2020-11-03 14:19:29
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This content is licensed under Creative Commons Attribution/Share-Alike License 3.0 (Unported). That means you may freely redistribute or modify this content under the same license conditions and must attribute the original author by placing a hyperlink from your site to this work Also, please do not modify any references to the original work (if any) contained in this content.

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PLANETCALC, Luhn checksum