Hand-held Calculators

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Olympia CD-81
Panasonic JE-855U

Olympia CD 81

Olympia CD 81 /
Panasonic JE-855U

Distinctive features: One of the most stylish of early hand-held calculators. Can take a holder for replaceable batteries or a rechargeable battery pack.

Technical details:
Display is 8 digits in separate green fluorescent tubes.

4-function, memory.

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").

Introduced 1972/3.

Made in Japan.


The Olympia CD 80 / Panasonic JE-850U is a slightly earlier model without the memory function.

Olympia CD 81

This calculator is quite a handful.

Olympia CD 81battery packs

The rechargeable battery pack (top left) and the disposable battery pack (bottom left). Either clips into the rear of the calculator as desired.

Inside Olympia CD 81

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 Olympia CD 81

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) -

Hand-held Calculators

Vintage Calculators

Text & photographs copyright, except where stated otherwise, © Nigel Tout 2000-2024.