Re: [DUG] Check Digit

[Steve Peacocke]

As already stated, there may be a dozen or more routines for this. However, 
the main one is the bank check digit process and you can get that detail 
from any bank.

Steve Peacocke

At 05:42 p.m. 23/02/2004, you wrote:

Hi

We have a client who is using a Docket numbering system that incorporates 
a check
"digit" at the end.  The check "digit" is 0-9 or x.

thus: 399079x, 3990800, 3990811

The purpose of the check digit is to verify the validity of the digits in 
the root number
- a sequence of digits in the root number can have only one valid check digit.

I suspect that this is a common device, and if it is, I am wanting to know 
what the
algorithim is to determine the check digit from the root number.

Anyone any ideas?

Thanks

Mark
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