A good web site for this and all kinds of bar codes is http://www.barcodeisland.com/symbolgy.phtml This site has a lot of specifications and explanations, including decoding and encoding the bar codes.

Dana

>Then why is my barcode so short?
>
>You can see this quite easily.
>Print this on a report form using font sc postnet.
>
>m.cstring is all the digits in your zip
>m.nsum is the sum of all those digits.
>
> m.cString = '|' + m.cString + CHR(ASC('0') + (10 - (m.nSum % 10)) % 10) + '|'
>
>Compare the barcode you printed to the barcode on a piece of mail you received from the post office.
>Is your barcode the same or is it shorter?
>
>Deb