Abstract
Although appending check digits to identification numbers is now standard practice, the methods used vary greatly and many are poorly conceived. In this paper we discuss numerous check digit schemes and their shortcomings. These include: division schemes; linear schemes; and nonlinear schemes.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 503-505 |
| Number of pages | 3 |
| Journal | The International journal of applied engineering education |
| Volume | 5 |
| Issue number | 4 |
| State | Published - Dec 1 1989 |