# Check Digits

• Published in 1999
A decimal (or alphanumeric) digit added to a number for the purpose of detecting the sorts of errors humans typically make on data entry.

## Comment

Notes about check digits, including Verhoeff's algorithm for a decimal check digit.

## Other information

key
CheckDigits
type
online
2022-01-18
date_published
1999-09-14

### BibTeX entry

@online{CheckDigits,
key = {CheckDigits},
type = {online},
title = {Check Digits},
author = {Jonathan Mohr},
abstract = {A decimal (or alphanumeric) digit added to a number for the purpose of detecting the sorts of errors humans typically make on data entry.},
comment = {Notes about check digits, including Verhoeff's algorithm for a decimal check digit.},
}