Olympia CD 81 /
Distinctive features: One of the most stylish of early hand-held calculators. Can take a holder for replaceable batteries or a rechargeable battery pack.
Display is 8 digits in separate green fluorescent tubes.
Integrated circuits - Texas Instruments TMS 0131 date coded 7321.
6v (4x AA) or rechargeable battery pack.
98 x 165 x 45 mm (3.9" x 6.5" x 1.75").
Made in Japan.
The Olympia CD 80 / Panasonic JE-850U is a slightly earlier model without the memory function.
This calculator is quite a handful.
The rechargeable battery pack (top left) and the disposable battery pack (bottom left). Either clips into the rear of the calculator as desired.
Inside the rear of the calculator.
Note the keyboard - each key has a small magnet to activate a reed-switch mounted on the circuit board.
Inside the calculator with the circuit board and display unplugged.
A fantastic calculator - it exudes style and quality.
Panasonic made a whole family of calculators with similar style features. The later ones are small-sized pocket calculators, but these early ones with their large size look the most stylish.
This model has many high quality (and so expensive features) -
© Text & photographs copyright Nigel Tout 2000-2021 except where noted otherwise.