4 lines
618 B
Plaintext
4 lines
618 B
Plaintext
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Ninety-Ninety Rule
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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.
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