The 12121 check digit algorithm

[Loyde W Hales]

> According to the US Office of Copyrights and Patents, you should minimally
> print the following information on any copyrighted material, preferably as
> close to quoting this as possible:

>        Copyright 1990 by Ken Johnson
>        All Rights Reserved by Author

To correct this, I should mention that the last line assumes you are holding
ALL rights.  In the case of the 12121 algorithm, follow it by your statement
of what rights you are keeping.


-=-

                                Department of Computer and Information Science
Loyde W. Hales, II                      The Ohio State University
lwh at cis.ohio-state.edu          2036 Neil Avenue Mall, Columbus, Ohio  43201