As digital computers became cheaper they could also be used to solve
the problems that had been the domain of Differential Analyzers
and Electronic Analogue Compiters. CSMP was one of the first programs
for this task. The moniker Continuous Systems Modeling Program has been
applied to two distinctly separate programs families, CSMP/1130
It the simpler program was available as "Freeware" with the IBM/1130
system. It is variously known as CSMP/1130 or "Block Mode CSMP".
It was also ported to various DEC systems, HP and was also
available on Tymnet. Confusingly it was also used on small IBM/360
systems, perhaps because it was smaller than CSMP/360
The second started as CSMP/360 which was later enhanced and enhanced
to become CSMP/II. Sadly I can't find any trace of this software. Please
repot any sightings to webmaster <at> smrcc.org.uk.