On 2 October 2014 13:56, Koen Piller <[email protected]> wrote: > Hi > You could consider to include in the serial# a control bit that way your > people are free to scan or type the serial# if the number keyed in does not > pass the controlebit validation it will not be accepted. > An easy way would be: ( 1ste bit x 7) + ( 2nd bit x 7-1) etc till 7th bit > that Sum diveded by 8 the 8th bit would make the Sum to a mod(Sum,8) = 0 > No typing errors anymore.
Koen here has a very good point. Are you printing bar codes *without* a checksum? I don't think I've ever seen a barcode without one. Most use Modulo 7 or 11 which should be trivial to implement in Fox. -- Paul _______________________________________________ Post Messages to: [email protected] Subscription Maintenance: http://mail.leafe.com/mailman/listinfo/profox OT-free version of this list: http://mail.leafe.com/mailman/listinfo/profoxtech Searchable Archive: http://leafe.com/archives/search/profox This message: http://leafe.com/archives/byMID/profox/CADwx0+JFYFgoiyT07hBTfsF8mXpvaj=3bftfwj-vzrzcyas...@mail.gmail.com ** All postings, unless explicitly stated otherwise, are the opinions of the author, and do not constitute legal or medical advice. This statement is added to the messages for those lawyers who are too stupid to see the obvious.
