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08.29.2008 at 10:38AM PDT, ID: 23689560
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7.8

Code 128 check sum calculation (bar code)

Asked by MacRena in Algorithms, Microsoft Access Database, Miscellaneous Programming

anybody know anything about generating barcode checksums?

i'm trying to calculate the check sum for Code 128-B, which is Mod 103
this link:
     http://www.code128barcodes.com/Code-128-check-digit.html
is a good description of how it's calculated.

in this case, my original value is 746323
so the formula is:
(104) + (23 * 1) + (20 * 2) + (22 * 3) + (19 * 4) + (18 * 5) + (19 * 6) = 513
513 Mod 103 = 101

so, looking at this chart:

     http://www.code128barcodes.com/Code-128-character-set.html

i find that the Check Sum for 101 is...
CODE A

what the hell is "CODE A"?
how is that a printable character that i can append to 746323?

any ideas?Start Free Trial
 
Keywords: Code 128 check sum calculation (b…
Title
1 Barcode
2 Barcode font code 128
3 Crystal Reporting XI - how to summari…
4 Calculating Checksum
5 Barcode 128 checksum
6 Charting on summed, formula modifie…
 
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[+][-]08.29.2008 at 10:54AM PDT, ID: 22347714

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Zones: Algorithms, Microsoft Access Database, Miscellaneous Programming
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Solution Provided By: jaime_olivares
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Solution Grade: A
 
 
[+][-]09.02.2008 at 11:33AM PDT, ID: 22370081

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