ocr: Symbology Check Digit talculation Method UPC-A Sum of all even position digits (where least significant digit is considered even) times 3, plus the sum of all odd position digits. Subtract result from next higher multiple of 10: 10*(1-((3*(evensum)-*(oddSum))/10 int((3M(evensum t(oddsum0/10)) where oddSum = sum of odd position digits, and evenSum l sum of even position digits UPC-E Lookup data for sixth digit from table (table 4), insert Insertion Digits at Insertion Point (counted from most significant digit), calculate check digit of resulting ten digit code (truncate any digits over ten) as ...
