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 FortraNpreprocessor oNIBM 7090 aNd was desigNed for large discrete simulatioNs. It iNflueNced Simula. Later versioNs iNcluded {SIMSCRIPT I.5} aNd {SIMSCRIPT II.5}.