![]() But, that example shows the sstart b is included in the total, with no multiplier. The process, as explained to me, was to do the bulk in code c and switch to B for the odd digit. Don't know what to do with that odd character. ![]() Then you have to convert that value to an ascii character following the rules given. If you want seven digits in the barcode, the checksum is the total of each of the ascii character values multiplied by the position Subject: RE: Barcode Code 128 check digit calculationĬheck the US wiki site. To: Midrange Systems Technical Discussion This was the first one that popped up in a search. There are also online calculators that will tell you the check digit so you can verify your calcs. Look at the A & B versions of Code 128 symbology. That's good if you have a large number of digits and want to print in a small space - but you have to pad with a leading zero if you have odd # of digits. And, you don't necessarily have to use 128C. ![]()
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