Scratchpad

Richard Jenks, Barry Trager, Stephen M. Watt & Robert S. Sutor, IBM Research, about 1971

A general-purpose language intended originally for interactive symbolic mathematics. It features abstract parametrized datatypes, multiple inheritance and polymorphism. See AXIOM.

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

Scratchpad I

Scratchpad II

"Scratchpad II Programming Language Manual", R. D. Jenks et al, IBM, 1985.