About MK 61/54
Emulator of "Electronika MK 61" and "Electronika MK-54" RPN programmable calculators. *************************************************************************************** *** LONG-PRESS 'LIST OF ACTIVE APPS' BUTTON TO
Emulator of "Electronika MK 61" and "Electronika MK-54" RPN programmable calculators.
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*** LONG-PRESS 'LIST OF ACTIVE APPS' BUTTON TO ENTER MENU ***
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Hint 1: touch calculator's indicator to toggle slow/fast mode. Indicator's blinking looks better in slow mode.
Hint 2: you can choose between MK-61 and MK-54 using menu option that becomes visible when calculator is switched off.
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Among USSR programmable calculators of 1980-s (B3-34, MK-54, MK-56, MK-61, MK-52), MK-61 was the most selling one.
Calculators are emulated on microcode level so they behave exactly like the original devices, including all non-documented features and inaccurate calculations. For ease of use application features saving and loading emulation states.
This app's emulation engine Java code is based on C++ source of Felix Lazarev's emu145 project.
Emulation was highly optimized for speed and should run in real time on any phone.
Previous Versions
Here you can find the changelog of MK 61/54 since it was posted on our website on 2016-09-29 14:30:44.
The latest version is 2.3 and it was updated on 2024-04-22 12:55:55. See below the changes in each version.
MK 61/54 version 2.3
Updated At: 2013-12-10
Changes: v2.3:,- fixed state saving instability on leaving app,- fixed layout resizing glitch,- switching calculator off and state saving/loading became faster,- added user preferences for:,* type of on/off and angle mode switches (checkbox/radio buttons or slider),* vibration intensity,* buttons outline,* labels text size
Disclaimer
Official Google Play Link
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