My NOS Soviet Electronika MK-52 programmable RPM calculator. A rather neat little machine. Unfortunately the EEPROM in mine seems dead so I can't save programs to keep after turning it off. I'm
old vintage electronic calculator from soviet union isolated on white Stock Photo - Alamy
A little info about my MK-85
Elektronika
Vintage Calculator Elektronika MK-52 Soviet Electronics - Etsy Israel
Mighty MK-52: The Spaceworthy Soviet-era Calculator – The Electronics Deli
3D model Soviet Calculator VR / AR / low-poly | CGTrader