Scratchpad I

A general-purpose language originally for interactive

symbolic mathematics by Richard Jenks, Barry Trager, Stephen

M. Watt and Robert S. Sutor of IBM Research, ca 1971. It

features abstract parametrised data types, multipleinheritance and polymorphism. There were implementations

for VM/CMS and AIX.

["Scratchpad User's Manual", RA 70, IBM (June 1975)].

(1994-12-15)