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Museum of Soviet Calculators on the Web


Stats...



1981

size

 ?



?



220V, 50Hz, 8W

Display

17 tubes


Factories...

factory mark


IV-3 tube
An IV-3 tube, as used in this calculator and the wonderful Elektronika 4-71b.

Elektronika B3-05M

b3-05M(c) Kenton Green

This calculator has IV-3A tubes but diagonal segments are not used.
Natural comma is used, and the comma occupies separate digit.
Numbers entered from left to right.
Calculator has "float comma".

The key at the upper right, 1/x also seen on an Iskra 12M, is the equivalent of 1/x

backplate(c) Sergei Frolov
Back-plate.
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