DESCRIPTION ----------- Algorithm::LUHN - Calculate the Modulus 10 Double Add Double checksum This module calculates the Modulus 10 Double Add Double checksum. This algorithm is used to verify credit card numbers and Standard & Poor's security identifiers such as CUSIP's and ISIN's. INSTALLATION ------------ This is a simple module. The typical installation routine should work fine. perl Makefile.PL make test make install COPYRIGHT --------- Copyright (c) 2001 Tim R. Ayers. All rights reserved. LICENSE ------- This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.