Electronic Pocket Calculator
circa 1970
Casio LC-841 pocket calculator
1970-1990
Sharp Compet ELSI 811
circa 1970
Low priced multi-function Pocket calculator retailed by high street chemist outlet
circa 1978
Commodore SR7919D
Electronic Pocket Calculator
1974
Electronic scientific pocket calculator
1978
Electronic Pocket Calculator by Hewlett-Packard
1976
Electronic Pocket Calculator by Hewlett-Packard
1979/80
Casio FX702P
1980-1985
Miniature Electronic Pocket Calculator by Kovac model LE 808P
1970
Casio 'College FX-80' pocket scientific calculator
Conic 750F electronic calculator
1974
Electronic Pocket Calculator by Hewlett-Packard
1987
Case for Casio College FX-80 pocket scientific electronic calculator
circa 1982
Solar powered electronic calculator
Sinclair enterprise programmable pocket calculator
1977
Montgomery Ward electronic 1
circa 1973
calculator
circa 1982
Two Casio batteries from the College FX-80 pocket scientific electronic calculator
circa 1982
Bowmar 901b
circa 1975
Sharp Compet ELSI 811
circa 1970
Low priced multi-function Pocket calculator
circa 1978
Commodore SR7919D
Conic 750F electronic calculator
1974