بارکد 128C

Code 128C 

Data - 345678

Data Characters	3	4	5	6	7	8
Multiply each of the two digits with an increasing weight.
Weight	*1		*2		*3
Sum :	(34*1) + (56*2) + (78*3) = 380
For Code 128C, add an additional of 105 to the sum above
Total	380 + 105 = 485
Modulo 103 Check Character:	485 % 103 = 73 (which maps to the character 'i')