Vintage British Calculators

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Royal Digital V

Royal Digital V

Royal Digital V

Display is 8 digits, green fluorescent in a single tube.

4-function.

Main integrated circuit - General Instruments GI 251F (here date coded 7245) or C-500.

7.2 v (6 x AA rechargeable cells).

88 mm x 150 mm x 36 mm (3.5" x 5.9" x 1.4").

Introduced 1972.

Made in Japan.

Inside Royal Digital V

View inside with the main circuit board unplugged, showing the Nicad battery pack and the power supply circuit.

Label

Vintage British Calculators

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