SIMSCRIPT

Simulation language From Wikipedia, the free encyclopedia

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

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