Talk:Check digit

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Still to be added is a discussion of the Verhoeff check digit scheme. See the marist.edu link.

16:06, 7 February 2006 (UTC)69.74.32.122 16:06, 7 February 2006 (UTC) I agree. Verhoeff is a little in depth (not too much though). And there are a few ways to calculate a Verhoeff check which all have a similar effect. The biggest difference is the σ (sigma) function. I've encountered two commonly used functions to transform digits in addition to the universally used dihedral group transformation.

Daniel 16:06, 7 February 2006 (UTC)69.74.32.122 16:06, 7 February 2006 (UTC)

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