First calculators: VEGA - first Soviet electronic calculator (1964)

EDVM - first Soviet electronic scientific calculator (1967)

Iskra 123 - first Soviet electronic programmable calculator (1971?)

B3-04 - first Soviet pocket calculator (1973)

C3-15 , B3-18 - first Soviet pocket scientific calculators (1975)

B3-19M - first Soviet pocket true RPN calculator (1977)

B3-21 - first Soviet RPN pocket programmable calculator (1977)

MK-40 - first Soviet pocket calculator with printer

MK-47 - first (and last) Soviet calculator with magnetic cards

MK-60 - first Soviet calculator with solar power (1982)

MK-52 - first Soviet calculator with EEPROM and external programs (1985) MK-85 - first Soviet calculator with BASIC (1987) MK-90 - first Soviet calculator with graphics display 128x64 (1989)