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UPC\ Uniform Product Code Check Digit {#upc-uniform-product-code-check-digit align=”center”} ================================


UPC is a C++ library which can compute the check digit associated with a uniform product code (UPC), or it can report whether a 12-digit UPC is actually valid.

Licensing: {#licensing align=”center”}

The computer code and data files made available on this web page are distributed under the GNU LGPL license.

Languages: {#languages align=”center”}

UPC is available in a C version and a C++ version and a FORTRAN90 version and a MATLAB version and a Python version.

BANK, a C++ library which can compute the check digit associated with a US Bank Routing Number check digit, or it can report whether a 9-digit code is actually valid.

ISBN, a C++ library which can determine the check digit for an International Standard Book Number or report whether a given ISBN is valid.

LUHN, a C++ program which computes the Luhn check digit for a string, and can validate a string.

Reference: {#reference align=”center”}

  1. David Savir, George Laurer,\ The Characteristics and Decodability of the Universal Product Code,\ IBM Systems Journal,\ Volume 14, Number 1, pages 16-34, 1975.

Source Code: {#source-code align=”center”}

Examples and Tests: {#examples-and-tests align=”center”}

List of Routines: {#list-of-routines align=”center”}

You can go up one level to the C++ source codes.


Last revised on 10 September 2015.