B3
MRP
Ministry of Radio Industry
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Key
Reported, but no picture available.
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Several variants of this model number exist. See expanded table below for details on each variant.
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B3-Series Machines
B3-02
 Handling of decimals is quite strange; the first number must be input with the number of decimal places required in the final result.
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B3-04
 In August of 1973, the State
Committee gave 27 engineers from the Ministry of Electronics a 12
month deadline: develop a working prototype of a hand-held electronic
calculator that can be manufactured in the Soviet Union!
But was it STOLEN?
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B3-05
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B3-05M
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B3-14
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B3-14K
 Known from a table of calculator machines' data.
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B3-14M
This was just about the first Soviet calculator I ever saw, sent to me by Igor. I didn't like it very much - I thought it looked cheap and nasty. Now, of course, I know better!
Here's another variant.
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B3-16
Very tentative.
Reported by Kenton Green.
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B3-18
 The B3-18 models exhibit similar functionality with differing cosmetics.
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B3-18A
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B3-18K
One document lists this machine. No further information available.
Reported by Sergei Frolov.
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B3-18M
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B3-24
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B3-24G
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B3-25A
 This fabulous machine has the most "alien" looking battery compartment you are ever likely to see!
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B3-26/A
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B3-30
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B3-32
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B3-34
 The b3-34 was a huge sales success, judging by its availability now. It included 98 program steps, full scientific capability, and indirect addressing for more sophisticated programming.
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B3-35
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