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6 definitions found
From The Free On-line Dictionary of Computing (27 SEP 03) : [ foldoc ]
Ninety-Ninety Rule
"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)
From Jargon File (4.3.1, 29 Jun 2001) : [ jargon ]
Ninety-Ninety Rule n. "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." Attributed to Tom Cargill of
Bell Labs, and popularized 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. Other maxims in the same vein include the law attributed to
the early British computer scientist Douglas Hartree: "The time from now
until the completion of the project tends to become constant."
From English Wiktionary: All languages (2023-07-27) : [ dictinfo.com:wikt-en-ALL-2023-07-27 ]
ninety-ninety rule
n.
(lb en software engineering) A humorous aphorism stating that the
first 90% of the code accounts for the first 90% of the development
time, and the remaining 10% of the code accounts for the other 90% of
the development time.
From English Wiktionary: English language only (2023-07-27) : [ dictinfo.com:wikt-en-en-2023-07-27 ]
ninety-ninety rule
n.
(lb en software engineering) A humorous aphorism stating that the
first 90% of the code accounts for the first 90% of the development
time, and the remaining 10% of the code accounts for the other 90% of
the development time.
From English Wiktionary: Western, Greek, and Slavonic languages only (2023-07-27) : [ dictinfo.com:wikt-en-Western_Greek_Slavonic-2023-07-27 ]
ninety-ninety rule
n.
(lb en software engineering) A humorous aphorism stating that the
first 90% of the code accounts for the first 90% of the development
time, and the remaining 10% of the code accounts for the other 90% of
the development time.
From English Wiktionary: Western languages only (2023-07-27) : [ dictinfo.com:wikt-en-Western-2023-07-27 ]
ninety-ninety rule
n.
(lb en software engineering) A humorous aphorism stating that the
first 90% of the code accounts for the first 90% of the development
time, and the remaining 10% of the code accounts for the other 90% of
the development time.
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