Podcasts Education The Math Dude Quick and Dirty Tips to Make Math Easier 085 TMD How Are Check Digits Used in the Real World?

085 TMD How Are Check Digits Used in the Real World?

Published: Dec. 2, 2011, 8:30 p.m.

b'Learn how check digits are used to verify everything from the numbers on your credit cards to the UPC codes on the products you buy.'