Open Access
Table 2
Calculating rules of check code.
| Digit position | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N1 | N2 | N3 | N4 | N5 | N6 | N7 | N8 | EAN/UCC-8 | ||||||
| N1 | N2 | N3 | N4 | N5 | N6 | N7 | N8 | N9 | N10 | N11 | N12 | UCC-12 | ||
| N1 | N2 | N3 | N4 | N5 | N6 | N7 | N8 | N9 | N10 | N11 | N12 | N13 | EAN/UCC-13 | |
| N1 | N2 | N3 | N4 | N5 | N6 | N7 | N8 | N9 | N10 | N11 | N12 | N13 | N14 | EAN/UCC-14 |
| Multiply each position by the corresponding value | ||||||||||||||
| 3 | 1 | 3 | 1 | 3 | 1 | 3 | 1 | 3 | 1 | 3 | 1 | 3 | 1 | |
| Summation of product results | ||||||||||||||
| The sum result is subtracted from an number which is 10 times greater than or more than 10 times greater than the result value, and the result is the check code value. | ||||||||||||||
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