Vintage Electronic Calculators: CALCUSEUM Home page

Criteria:
Origin = Bulgaria
AKA (Also Known As) Label on Back Product Number Year of introduction Classification
(Manufacturers): ELKA     ELKA (Company)   Company Info
(Manufacturers): ISOT: (See: ELKA)     ISOT   Company Info
(Resellers): ISOTIMPEX         Company Info
ELKA: 101 (version-1)     101 1974 Pocket
ELKA: 101 (version-2)   electronic calculator 101 1974 Pocket
ELKA: 101 (version-3)   electronic calculator 101 1974 Pocket
ELKA: 101 (version-4) electronic calculator 101 1974 Pocket
ELKA: 101 (version-5)     101 1974 Pocket
ELKA: 101 (version-6)     101 1974 Pocket
ELKA: 101 (version-7)     101 1974 Pocket
ELKA: 103 (version-1)   electronic calculator 103 1975 Pocket
ELKA: 103 (version-2)     103 1975 Pocket
ELKA: 105 (version-1)     105 197? Pocket
ELKA: 105 (version-2)     105 197? Pocket
ELKA: 110   electronic calculator, elka 110   ~1976 Pocket / Prototype
ELKA: 130 (version-1)   130 ~1975 Pocket
ELKA: 130 (version-2)   electronic calculator, elka 130 130 ~1975 Pocket
ELKA: 130 (version-3)     130 ~1975 Pocket
ELKA: 1300 (version-1)   OH 476128-83 1300 197? Desktop with Display
ELKA: 1300 (version-3)     1300 197? Desktop with Display
ELKA: 130M (version-1)   electronic calculator 130M ~1975 Pocket
ELKA: 130M (version-2)     130M 1975 Pocket
ELKA: 131 (version-1)     131 <=-1978 Pocket
ELKA: 131 (version-2)     131 <=-1978 Pocket
ELKA: 135 (version-1) electronic calculator, elka 135 135 1977 Pocket
ELKA: 135M elka 135m   135M ~1977 Pocket
ELKA: 22     22 ~1967 Desktop with Display
ELKA: 41 OH-07 50453-71 41 1971 Desktop with Display
ELKA: 43     43 1972 Desktop with Display
ELKA: 50 (version-1)     50   Desktop with Display
ELKA: 50m (version-1)   50m 50m 1978 Desktop with Display
ELKA: 50m (version-2)   50m 50m 1978 Desktop with Display
ELKA: 50m (version-3)   50m 50m 1978 Desktop with Display
ELKA: 53 (version-1)     53 1976 Desktop with Display
ELKA: 55 (version-2)     55 1978 Desktop with Printer
ELKA: 55 (version-3)     55 1978 Desktop with Printer
ELKA: 6521     6521 ~1965 Desktop with Display / Memory (core)
ELKA: 81     81   Cash Register
           
26-may-2022: (38 Items).          
           
Do you know about any models not listed here ?, please do mail me or send me a picture of the device... I'll be more than happy to publish the info and mention your name for credit ... thank you !          
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