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  2. Check digit - Wikipedia

    en.wikipedia.org/wiki/Check_digit

    For instance, the UPC-A barcode for a box of tissues is "036000241457". The last digit is the check digit "7", and if the other numbers are correct then the check digit calculation must produce 7. Add the odd number digits: 0+6+0+2+1+5 = 14. Multiply the result by 3: 14 × 3 = 42. Add the even number digits: 3+0+0+4+4 = 11.

  3. Universal Product Code - Wikipedia

    en.wikipedia.org/wiki/Universal_Product_Code

    A UPC barcode. The Universal Product Code (UPC or UPC code) is a barcode symbology that is used worldwide for tracking trade items in stores.. The chosen symbology has bars (or spaces) of exactly 1, 2, 3, or 4 units wide each; each decimal digit to be encoded consists of two bars and two spaces chosen to have a total width of 7 units, in both an "even" and an "odd" parity form, which enables ...

  4. International Article Number - Wikipedia

    en.wikipedia.org/wiki/International_Article_Number

    A prefix with a first digit of "0" indicates a 12-digit UPC-A code follows. A prefix with first two digits of "45" or "49" indicates a Japanese Article Number (JAN) follows. The less commonly used 8-digit EAN-8 barcode was introduced for use on small packages, where EAN-13 would be too large. 2-digit EAN-2 and 5-digit EAN-5 are supplemental ...

  5. MSI Barcode - Wikipedia

    en.wikipedia.org/wiki/MSI_Barcode

    MSI barcode for the number 1234567 with Mod 10 check digit. MSI (also known as Modified Plessey) is a barcode symbology developed by the MSI Data Corporation, based on the original Plessey Code symbology. It is a continuous symbology that is not self-checking. MSI is used primarily for inventory control, marking storage containers and shelves ...

  6. List of GS1 country codes - Wikipedia

    en.wikipedia.org/wiki/List_of_GS1_country_codes

    UPC-A compatible - United States drugs (see United States National Drug Code) 040–049: UPC-A compatible - Used to issue restricted circulation numbers within a company 050–059: UPC-A compatible - GS1 US reserved for future use 060–099: UPC-A compatible - United States: 100–139 United States: 200–299

  7. Global Trade Item Number - Wikipedia

    en.wikipedia.org/wiki/Global_Trade_Item_Number

    The EAN-8 code is an eight-digit barcode used usually for very small articles, such as chewing gum, where fitting a larger code onto the item would be difficult. Note: the equivalent UPC small format barcode, UPC-E, encodes a GTIN-12 with a special Company Prefix that allows for "zero suppression" of four zeros in the GTIN-12. The GS1 encoding ...

  8. Nikon D90 gets UPC code - Engadget

    www.engadget.com/2008-08-14-nikon-d90-gets-upc...

    This code showed up on UPC database last night and, well, let's just say that it's time to start saving your pennies for this $1300 wonder. UPDATE : Meanwhile, a UPC for the Canon EOS-9D also ...

  9. S10 (UPU standard) - Wikipedia

    en.wikipedia.org/wiki/S10_(UPU_standard)

    S10 (UPU standard) The 13-character identifier for a package. It starts with the service indicator for registered mail ("RR"), followed by an 8-digit serial number (28704377), the check-digit (5) and the two-letter ISO country code for the issuing country, India ("IN") The UPU S10 standard defines a system for assigning 13-character identifiers ...