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Imperial 90K

Imperial 90K

Imperial 90K

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

4-function, %.

6 v (4 x AAA).

Main integrated circuit is NEC μDP943C (here date coded 1975).

74 mm x 118 mm x 20 mm. (3" x 4.7" x 0.8").

Made in Japan.

Imperial 90K inside

Inside showing the circuit board.  The VFD display is at the top and the NEC μPD943C integrated circuit is in the middle.

Vintage Calculators

© Text & photographs copyright Nigel Tout   2000-2019  except where noted otherwise.