Check Digits

• Published in 1999
• Added on 2022-01-18

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.

Links

• https://web.archive.org/web/20230204135539/http://www.augustana.ualberta.ca/~mohrj/algorithms/checkdigit.html
• http://www.augustana.ualberta.ca/~mohrj/algorithms/checkdigit.html

Other information

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.},
	date_added = {2022-01-18},
	date_published = {1999-05-07},
	urls = {https://web.archive.org/web/20230204135539/http://www.augustana.ualberta.ca/{\~{}}mohrj/algorithms/checkdigit.html,http://www.augustana.ualberta.ca/{\~{}}mohrj/algorithms/checkdigit.html},
	collections = {basically-computer-science,easily-explained,fun-maths-facts,unusual-arithmetic},
	url = {https://web.archive.org/web/20230204135539/http://www.augustana.ualberta.ca/{\~{}}mohrj/algorithms/checkdigit.html http://www.augustana.ualberta.ca/{\~{}}mohrj/algorithms/checkdigit.html},
	urldate = {2022-01-18},
	year = 1999
}