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EAN13 checksum usage

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  1. rvijay17

    2009-03-15 05:30:30 UTC
    Hi,

    I tried generating the EAN13 type barcode and it works fine. Great. Now, the question. I tried reading a lot about EAN 13 and the use of the checksum. But I could not understand where the checksum can be used.

    I understand that the checksum can be used to validate the barcode string and see whether the barcode scanned is correct or not. But cant this be done by simple matching the barcode string used to generate the barcode and the barcode string whcih we get after scanning. <b>What extra purpose does the checksum provide?</b>

    Regards,
    Vijay.
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