12 lines
2.4 KiB
HTML
12 lines
2.4 KiB
HTML
<?xml version="1.0" encoding="ISO-8859-1" standalone="no"?>
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<html xmlns="http://www.w3.org/1999/xhtml"><head><title>Ninety-Ninety Rule</title><link rel="stylesheet" href="../../jargon.css" type="text/css"/><meta name="generator" content="DocBook XSL Stylesheets V1.61.0"/><link rel="home" href="../index.html" title="The Jargon File"/><link rel="up" href="../N.html" title="N"/><link rel="previous" href="NIL.html" title="NIL"/><link rel="next" href="nipple-mouse.html" title="nipple mouse"/></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Ninety-Ninety Rule</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="NIL.html">Prev</a> </td><th width="60%" align="center">N</th><td width="20%" align="right"> <a accesskey="n" href="nipple-mouse.html">Next</a></td></tr></table><hr/></div><dt><a id="Ninety-Ninety-Rule"/><dt xmlns="" id="Ninety-Ninety-Rule"><b>Ninety-Ninety Rule</b>: <span xmlns="http://www.w3.org/1999/xhtml" class="grammar">n.</span></dt></dt><dd><p> “<span class="quote">The first 90% of the code accounts for the first 90% of the
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development time. The remaining 10% of the code accounts for the other 90%
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of the development time.</span>” Attributed to Tom Cargill of Bell Labs,
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and popularized by Jon Bentley's September 1985 <i class="citetitle">Bumper-Sticker
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Computer Science</i> column in <i class="citetitle">Communications of the
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ACM</i>. It was there called the “<span class="quote">Rule of
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Credibility</span>”, a name which seems not to have stuck. Other maxims in
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the same vein include the law attributed to the early British computer
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scientist Douglas Hartree: “<span class="quote">The time from now until the completion of
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the project tends to become constant.</span>”</p></dd><div class="navfooter"><hr/><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="NIL.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="../N.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="nipple-mouse.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">NIL </td><td width="20%" align="center"><a accesskey="h" href="../index.html">Home</a></td><td width="40%" align="right" valign="top"> nipple mouse</td></tr></table></div></body></html>
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