Source : Free On-Line Dictionary of Computing

SIMSCRIPT
     
        A free-form, English-like general-purpose {simulation}
        language produced by Harry Markowitz et al of {Rand} Corp in
        1963.  It was implemented as a {Fortran} {preprocessor} on
        {IBM 7090} and was designed for large discrete simulations.
        It influenced {Simula}.  Later versions included {SIMSCRIPT
        I.5} and {SIMSCRIPT II.5}.