Electronic Pocket Programmable Calculator model TI 58C. Assembled in Holland TI 58C Programmable Calculator 1977
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
Casio HL-807, LCD pocket electronic calculator, in box with instruction manual c1980 Casio HL-807 circa 1980