Vintage British Calculators

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Imperial calculator


Display is 10 digits, green separate VFD (Vacuum Fluorescent Display) tubes.

Fixed decimal point: 0, 2, 3, 4 decimal places.

4-functions, %.

Main integrated circuit: Mitsubishi MA-8160.

240v AC.

185 mm x 270 mm x 75 mm (7.3" x 10.6" x 3.0").

Made in Japan.

Inside Imperial calculator

With the top removed showing, from back to front, the power supply, the VFD display tubes and, underneath, the logic board.
Of note are the VFD tubes which have 10 segments and can display a stylised '4'.

Vintage British Calculators

© Text & photographs copyright Nigel Tout   2000-2022  except where noted otherwise.