Question regarding Check Digit Routines

Discussion in 'Basic Math' started by JL74, Nov 27, 2023.

  1. JL74


    Nov 27, 2023
    Likes Received:
    Good afternoon,

    I'm trying to understand the mathematical method used when creating check digit routines, used in computer software applications to confirm that a reference entered by a customer is valid.

    I know why we have them, but don't understand the workings behind them for example Weightings and the Modulus.

    I need to work out how to create new ones but need to understand the above in order to complete them.

    Do I have the correct forum, if not could you recommend another site, thanks.
    JL74, Nov 27, 2023
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