Ninety-Ninety Rule

Computing Dictionary

Ninety-Ninety Rule definition

humour
"The first 90% of the code accounts for the first 90% of the development time. The remaining 10% of the code accounts for the other 90% of the development time".
An aphorism attributed to Tom Cargill of Bell Labs, and popularised by Jon Bentley's September 1985 "Bumper-Sticker Computer Science" column in "Communications of the ACM". It was there called the "Rule of Credibility", a name which seems not to have stuck.
[Jargon File]
(1995-07-14)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
Cite This Source
Explore Dictionary.com
Previous Definition: ninety-nine
Next Definition: ninety-ninth
Words Near: Ninety-Ninety Rule
More from Thesaurus.com
Synonyms and Antonyms for Ninety-Ninety Rule
More from Reference.com
Search for articles containing Ninety-Ninety Rule
Dictionary.com Word FAQs

Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.

Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature