Re: Is there any COBOL program for verify the SSN?

On May 1, 6:09=A0pm, "HeyBub" <hey...@[EMAIL PROTECTED]
> wrote:
>
> The U.S. Social Security Number doesn't HAVE a check digit. In that
regard=

> it's like a telephone number, a street address, or the number of Coke
> bottles in a carton. You can apply your method, but it won't work.
>
> A modulo-11 scheme, as you point out, sometimes generates a check-digit
of=

> "X." That's why all modern check-digit methods use modulo-10 so that the
> result is always numeric. Further, the only modulo-11 method in common
use=

> that I know of is the ISBN (presently being phased out in the book
> industry).


Hi HeyBub,

I think you are hallucinating. :-)

Modulus 11 is NOT the same as Modulo 11.  Modulus 11 is one
of the most efficient systems for detecting transcription errors
and transpositions.  The following weblinks will explain the main
differences and why Modulo 11 has the "X" alpha character:

http://www.activebarcode.com/codes/checkdigit/modulo11.html

http://www.eclectica.ca/howto/modulus-11-self-check.php

http://docs.hp.com/en/32209-90024/apds02.html

Kellie.