> BTW... the multiplier for the sum of the odd digits should be 3.

Oops.  Yes it should!

> My thoughts were triggered by the fact that the report generator has the
> capability to calculate the check character.  I thought that maybe there was
> an undocumented function that would handle the calculation.

I don't think so -- but it's easy enough to encapsulate the formula in a stored
procedure, UDF, or computed column.
--
Larry

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