GPC offers a universal set of standards for everything from a car to a litre of milk, and for everything from camping equipment to footwear, home and appliances to toys. Sum all digits in odd position and multiply the result by 3: (7+6+1+1+5+2)*3=66 Sum all digits in even position: (2+4+2+7+4)=19 Sum the results of step three and four: 66+19=85GPC classifies products by grouping them into categories based on their essential properties as well as their relationships to other products. From the right to the left, start with odd position, assign the odd/even position to each digit. More specifically a GTIN+14 barcode and a UPC-A barcode.Suppose that you want to find the check digit of UPC-A number 72641217542. 12:01:49 clibor Registered: Posts: 17 Answered Hello all, I'm trying to find some script that would enable me to add a check digit calculator to my form. Forum Index > JavaScript > Barcode Check Digit Calculator.
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