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ELEKTRONIKA MK-52  RUSSIAN SOVIET PROGRAMMED CALCULATOR FIRST USSR MICROCOMPUTER
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ELEKTRONIKA MK-52 RUSSIAN SOVIET PROGRAMMED CALCULATOR FIRST USSR MICROCOMPUTER
Price: UA $49.00

ELEKTRONIKA MK-52 RUSSIAN SOVIET PROGRAMMED CALCULATOR
FIRST USSR MICROCOMPUTER


\"Electronica MK-52\" is a portable programmable
calculator is intended for personal use and for scientific,
engineering and statistical calculations which was
manufactured in the Soviet Union during the years 1983 to 1992.

The MK-52 was used as a backup to the onboard computers of the Soyuz spacecraft on the Soyuz TM-7 mission to the Mir space station.

The functionality of the MK-52 is identical to that of the MK-61, except the MK-52 has an internal non-volatile EEPROM memory module, for permanent data storage, diagnostic slot, and slot for ROM modules. Programming language and functionality of MK-52 and MK-61 are extensions of the MK-54, the B3-34 and B3-21 Elektronika calculators. It is the only known calculator to have internal storage in the form of an EEPROM module. All Soviet calculators are renowned for having a very large number of undocumented functions.
The MK-52 has 105 steps of volatile program memory, an internal EEPROM module (with 512 bytes of memory) and 15 memory registers. It functions using either four AA-size battery cells or a wall plug. It has a relatively dim, ten-digit (8 digit mantissa, 2 digit exponent) greenvacuum fluorescent display. The MK-52 has an expansion port to which various ROM (Read-only memory) modules may be attached. Its system clock speed is approximately 455 kHz (derived from a ceramic resonator), its weight is approximately 0.4 kilograms.

PRODUCT INFORMATION

This is a Soviet model programmed calculator MK-52. It was made in 1991 and is in new condition (with protective film on the screen).

Everything works great, it was tested. Has screen protector on the display.
Power supply is 4 x AA 1.5 V battery (not included) or adapter power supply 220 v AC (included). Size of the calculator is 210 mm by 75 mm approx. (8.4\' x calculator MK-52

Adapter power supply 220 v AC

Lid for the calculator

Two user manuals in Russian


Shipping via Priority Post with tracking number.


Payment via PayPal.

Please feel free to ask me if you have any question.

If you are interested in these or other products from Russia, Ukraine and the Soviet period - please contact, I will try to find them for you.



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