Slide 1Chapter 16 in COMAP Book Jocelyn Westray Slide 2 Objectives Understand what a check digit is. Systems dividing by 7 and 9. Systems with weights. Codabar method Systems…
1. Identification NumbersCheck Digits, Zip Codes, Bar Codes 2. What are Identification Numbers?• Codes used to identify a particular item.• Examples….?Why use them?…