Electronic Pocket Programmable Calculator model TI 58C. Assembled in Holland TI 58C Programmable Calculator 1977
Casio HL-807, LCD pocket electronic calculator, in box with instruction manual c1980 Casio HL-807 circa 1980
HP 65 hand held programmable calculator, one complete unit, and one cut away to show internal structure, made by Hewlett-Packard (electronic pocket). see note field HP 65 Electronic Programmable Pocket Calculator 1972