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Old 06-25-2014, 06:06 AM   #2 (permalink)
Status: Senior Member
Posts: 744

Default java code help i can't seem to get this isbn 13 right, 10-(d1 +3d2 +d3 +3d4 +d5 +3d6 +d7 +3d8 +d9 +3d10 +d11 +3d12) % 10, the formula

You defined variables d1, d2, d3... but you didn't assign values to any of them.

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