SATO CT400, CT410 manual Calculating, Mod 10 Check Digit, ODD Even

Appendix B: Bar Code Specifications
Calculating the		If you wish to encode the UPC-A data “01234567890”, follow these
Mod 10 Check Digit		steps to find the correct check digit.
	ODD	0		2		4		6		8		0
	EVEN		1		3		5		7		9		CD

1.First add all the numbers in the ODD positions. i.e., 0+2+4+6+8+0 = 20

2.Multiply the result of Step 1 by 3.

i.e., 20 x 3 = 60

3.Add up all the numbers in the EVEN positions. i.e., 1+3+5+7+9 = 25

4.Add the result of Step 2 to that of Step 3.

i.e., 60 + 25 = 85

5.Subtract the result of Step 4 from the next highest increment of 10. i.e., 90 - 85 = 5

6.The correct Modulo 10 check digit for the 11 digit string “01234567890” is 5.

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