Elektronika MK-52 Soviet Programmable RPN Calculator 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. This calculator has been made on "Kvadr" factory, located in Borzna, Ukraine. Made in 1994. Condition New old stock. Calculators are new in bulk packaging. New vacuum fluorescent displays (VFD) with all segments illumined. Fully tested and guaranteed to be working including EEPROM . All segments of the display are illuminated. Old electrolytic capacitors are replaced with new ones. On most calculators old vacuum fluorescent displays (with low brightness) are replaced with new ones too. So there is a guaranty that calculator will work for decades. Package Contents Calculator Plastic case for calculator Schematic circuit Manuals (2 parts) Payment PayPal Shipping Shipping of my lots can be combined. To combine shipping, please request for the invoice before payment. The following shipping options are available: Economy shipping - shipping with tracking (registered mail). Delivery usually takes from 10 to15 business days. Express shipping - shipping with tracking (registered mail) by UPS or EMS. Delivery usually takes from 2 to 5 business days. Good Luck! eBay seller ID: veatex

Elektronika Game IM-03 "Ocean's Mysteries" Original game on screen. One of the early issues with the rare type of screen ( greasy divers' helmets) . The game has two difficulty levels and is great for training reaction and concentration. The console can be used as a watch with an alarm. Condition The game is mint condition. Please see photos for details. Package Contents Game Box (reprint) Manual (reprint) Batteries are included. Shipping Shipping of my lots can be combined. To combine shipping, please request for the invoice before payment. Shipping usually takes from 10 to15 business days. Item is shipped via Ukrainian Post by registered mail ( with tracking ) and will be delivered by official post service in your country (for example USPS in USA or Royal Mail in UK). Good luck!

Elektronika Game IM-50 "Space Flight" The game has two difficulty levels and is great for training reaction and concentration. The console can be used as a watch with an alarm. Condition Very good condition: see photos for details. All segments on the screen are visible, buttons work smoothly. Package Contents Game Box (original) Manual (original or reprint) Batteries can be included upon request (free of charge). Shipping Shipping of my lots can be combined. To combine shipping, please request for the invoice before payment. The following shipping options are available: Standard shipping - shipping with tracking (registered mail). Usually takes from 10 to15 business days. Item is shipped via Ukrainian Post and will be delivered by official post service in your country (for example USPS in USA or Royal Mail in UK). Good luck! eBay seller ID: veatex