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Axiom (computer algebra system) : ウィキペディア英語版 | Axiom (computer algebra system)
Axiom is a free, general-purpose computer algebra system. It consists of an interpreter environment, a compiler and a library, which defines a strongly typed, mathematically (mostly) correct type hierarchy. == History == Two computer algebra systems named Scratchpad were developed by IBM. The first one was started in 1965 by James Greismer at the request of Ralph Gomory, and written in Fortran.〔(Axiom Homepage )〕 The development of this software were stopped before any public release. The second Scratchpad, originally named Scratchpad II, was developed from 1977 on, at Thomas J. Watson Research Center, under the direction of Richard Dimick Jenks.〔(Richard Dimick Jenks - Biographical Information )〕 Other key early developers were Barry Trager, Stephen Watt, James Davenport, Robert Sutor, and Scott Morrison. Scratchpad II was renamed Axiom when IBM decided, circa 1990, to make it a commercial product. A few years later, it was sold to NAG. In 2001, it was withdrawn from the market and re-released under the Modified BSD License. Since then, the project's lead developer has been Tim Daly. In 2007, Axiom was forked twice, originating two different open-source projects: OpenAxiom〔(open-axiom.org )〕 and FriCAS,〔(fricas.sourceforge.net )〕 following "serious disagreement about project goals".〔(History of FriCAS )〕 The Axiom project continued to be developed by Tim Daly.
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