MK 61 54
Emulator of "Electronika MK 61" and "Electronika MK-54" RPN programmable calculators.MK-61 was the best seller of all USSR programmable calculators of...
Stanislav Borutsky
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Emulator of "Electronika MK 61" and "Electronika MK-54" RPN programmable calculators.MK-61 was the best seller of all USSR programmable calculators of...