SIMSCRIPT
Template:Short description SIMSCRIPT is a free-form, English-like general-purpose simulation language conceived by Harry Markowitz and Bernard Hausner at the RAND Corporation in 1962. It was implemented as a Fortran preprocessor on the IBM 7090[1][2] and was designed for large discrete event simulations. It influenced Simula.[3]
Though earlier versions were released into the public domain, SIMSCRIPT was commercialized by Markowitz's company, California Analysis Center, Inc. (CACI), which produced proprietary versions SIMSCRIPT I.5[4][5] and SIMSCRIPT II.5.
SIMSCRIPT II.5
SIMSCRIPT II.5[6][7] was the last pre-PC incarnation of SIMSCRIPT, one of the oldest computer simulation languages. Although military contractor CACI released it in 1971, it still enjoys wide use in large-scale military and air-traffic control simulations.[8][9]
- SIMSCRIPT II.5 is a powerful, free-form, English-like, general-purpose simulation programming language. It supports the application of software engineering principles, such as structured programming and modularity, which impart orderliness and manageability to simulation models.[10]
SIMSCRIPT III
SIMSCRIPT III[11] Release 4.0 was available by 2009,[12] and by then it ran on Windows 7, SUN OS and Linux and has object-oriented features.[13]
By 1997, SIMSCRIPT III already had a GUI interface to its compiler.[14] The latest version is Release 5; earlier versions already supported 64-bit processing.[15]
PL/I implementation
A PL/I implementation was developed during 1968–1969, based on the public domain version released by RAND Corporation.[16]
See also
References
External links
- CACI SIMSCRIPT page
- History of Programming Languages: SIMSCRIPT
- Oral history interview with Harry M. Markowitz, Charles Babbage Institute, University of Minnesota - Markowitz discusses his development of portfolio theory, sparse matrices, and his work at the RAND Corporation and elsewhere on simulation software development (including computer language SIMSCRIPT), modeling, and operations research.
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- ↑ 1988 magazine quote: "today used principally by the U. S. military."
- ↑ Template:Cite magazine
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