SIMSCRIPT explained

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] and was designed for large discrete event simulations. It influenced Simula.[2]

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[3] [4] and SIMSCRIPT II.5.

SIMSCRIPT II.5

SIMSCRIPT II.5[5] [6] 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.[7] [8]

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.[9]

SIMSCRIPT III

SIMSCRIPT III[10] Release 4.0 was available by 2009,[11] and by then it ran on Windows 7, SUN OS and Linux and has Object-oriented features.[12]

By 1997, SIMSCRIPT III already had a GUI interface to its compiler.[13] The latest version is Release 5; earlier versions already supported 64-bit processing.[14]

PL/I implementation

A PL/I implementation was developed during 1968–1969, based on the public domain version released by RAND corporation.[15]

See also

External links

Notes and References

  1. Book: Simulation With Arena . 978-1467273411. 2016. SIMSCRIPT ... was implemented asa Fortran preprocessor on the IBM 7090. Reviews. C. T. I..
  2. Web site: The Development of the SIMULA Languages. The development of .. SIMULA I and SIMULA 67... were influenced by the design of SIMSCRIPT .... Kristen Nygaard . 1978.
  3. Web site: The SIMSCRIPT III Programming Language for Modular Object ... . M. E. Kuhl . ... and was followed by SIMSCRIPT I.5 from CACI in 1965.
  4. Web site: A Look Back in Time: The CACI Story.
  5. Book: Simscript II.5: Programming language. Philip J Kiviat. January 1973. Consolidated Analysis Centers. Philip J Kiviat.
  6. Book: Building simulation models with SIMSCRIPT II.5 . Edward C. Russell. 9780918417008. 1983.
  7. 1988 magazine quote: "today used principally by the U. S. military."
  8. PC Computing . September 1988 . 150–157. Market Value - PCs on Wall Street . William G. Shepherd Jr..
  9. Book: Russell, Edward C. . Building Simulation models with SIMSCRIPT II.5 . CACI . Los Angeles . 1983.
  10. The SIMSCRIPT III programming language . SIMSCRIPT III is a programming language for discrete-event simulation. It is a major extension of its predecessor, SIMSCRIPT II.5, providing full support for .... 10.1109/WSC.2005.1574302. 8577001.
  11. Web site: simscript.com . SIMSCRIPT III Object-Oriented, Modular, Integrated software development tool.
  12. Book: Harry M. Markowitz . Selected Works . 152 . 2009. 978-9814470216. I told Ana Marjanski, who headed the SIMSCRIPT III project, that SIMSCRIPT already has entities, attributes plus sets. She explained that the clients want object ....
  13. Web site: June 26, 1997 . SIMSCRIPT III User's Manual.
  14. Web site: CACI Products . March 12, 2019 .
  15. Book: Encyclopedia of Computer Science and Technology: Volume 13. 978-0824722630. Jack Belzer . Albert G. Holzman . Allen Kent . 1979. SIMSCRIPT. This PL/I based version, first developed in 1968-1969 ... of SIMSCRIPT I, particularly in large simulations at The RAND Corporation.

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