POP-1

Package for Online Programming. Edinburgh, 1966. First of

the POP family of languages. Used reverse Polish notation.

Implemented as a threaded interpreter. EPU-R-17, U Edinburgh

(Jul 1966). "POP-1: An Online Language", R. Popplestone, Mach

Intell 2, E. Dale et al eds, Oliver and Boyd, Edinburgh 1968.