Rational Machines is an enterprise founded by Paul Levy and
Mike Devlin in 1981 to provide tools to expand the use of modern software engineering practices, particularly
explicit modular architecture and
iterative development
Iterative and incremental development is any combination of both iterative design (or iterative method) and incremental build model for development.
Usage of the term began in software development, with a long-standing combination of the two term ...
. It changed its name in 1994 to Rational Software, and was sold for US$2.1 billion (equivalent to current US$) to
IBM
International Business Machines Corporation (using the trademark IBM), nicknamed Big Blue, is an American Multinational corporation, multinational technology company headquartered in Armonk, New York, and present in over 175 countries. It is ...
on February 21,
2003.
See also
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Rational Automation Framework
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IBM DevOps Code ClearCase
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Rational DOORS
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Rational Performance Tester
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Rational Rhapsody
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Rational Rose
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Rational Software Modeler
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Rational Synergy
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Rational Unified Process
The rational unified process (RUP) is an iterative software development process framework created by the Rational Software Corporation, a division of IBM since 2003. RUP is not a single concrete prescriptive process, but rather an adaptable proc ...
References
External links
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{{Authority control
Defunct software companies of the United States
IBM acquisitions