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The machine code and functionality of the MK-52 and MK-61 calculators were extensions of the earlier MK-54, [2] B3-34, and B3-21 Elektronika calculators. The MK-52 is the only calculator known to have internal storage in the form of an EEPROM module. As with many Soviet calculators, the MK-52 has a number of undocumented functions. [4]
This is a list of calculators created and produced in Soviet Union. ... Iskra 12; Iskra 121; Iskra 122/122-1; Iskra 123; ... Elektronika MK-52; Elektronika MK-53;
The duodecimal system, also known as base twelve or dozenal, is a positional numeral system using twelve as its base.In duodecimal, the number twelve is denoted "10", meaning 1 twelve and 0 units; in the decimal system, this number is instead written as "12" meaning 1 ten and 2 units, and the string "10" means ten.
Soviet programmable calculators (MK-52, MK-61, B3-34 and earlier B3-21 [58] models) used reverse Polish notation for both automatic mode and programming. Modern Russian calculators MK-161 [59] and MK-152, [60] designed and manufactured in Novosibirsk since 2007 and offered by Semico, [61] are backwards compatible with them. Their extended ...
The TI-56 is a European variant of the TI-55 manufactured since 1976. The SR-56 uses the TMC0501 scalable calculator architecture like the SR-50, SR-51 and SR-52.The TI SR-56 was followed shortly by the TI 57 which is similar in many ways but can not be connected to the PC-100 printer.
The TI-59 is an early programmable calculator, that was manufactured by Texas Instruments from 1977. It is the successor to the TI SR-52, quadrupling the number of "program steps" of storage, and adding "ROM Program Modules" (an insertable ROM chip, capable of holding 5000 program steps). Just like the SR-52, it has a magnetic card reader for ...
The Aurora FN1000 calculator in clamshell design was closely inspired by the HP-12C in 2003. Capitalizing on the limited availability of the HP 12c Platinum 25th Anniversary Edition, Victor Technology released the Victor V12 in 2007 which was a budget priced clone of the HP 12c Platinum edition. It is also available as BrtC FC-12 in Brazil.
The Elektronika MK-52 calculator (using the extended B3-34 command set, and featuring internal EEPROM memory for storing programs and external interface for EEPROM cards and other periphery) was used in Soviet spacecraft program (for Soyuz TM-7 flight) as a backup of the board computer.