VERY RARE ELEKTRONIKA B3-21 FIRST SOVIET RUSSIAN PROGRAMMED CALCULATOR #149143

Marked by the USSR state quality mark.Made in exUSSR 1980.03.
Price 350 soviet roubles.Without battery and power supply.
Original tray.There is a small split of the body.Working condition.
Engineering/programing functions untested, missing knowledge.

The B3-21 was the first Soviet-made programmable hand-held calculator. It is actually a quite capable beast, but one cannot help but notice the "rough edges" .
On the other hand, this machine puts to shame several contemporary Western models, so its designers have reasons to be proud; especially when one considers 
the difficulties they faced, given the lack of a high-technology infrastructure in the Soviet Union.

The B3-21 has 60 program steps, numbered in an unusual fashion :
00, 01, 02, 03, 04, 05, 10, 11... 93, 94, 95. Following step 95, another 36 steps can be seen in program memory, but these are merely a shadow copy of steps 00-55.

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