AKA: Ei minitron 821 B, Product number (P/N): 821B (821 B),
Keywords/Tags: 821B (821 B) | Ei | minitron
Date of intro: ~1978, Dimensions: 120x70x24mm,
Adaptor: FABRIKA RACUNSKIH MASINA_adaptors: IPS800,
Display: Type = Display (VFD) (List),
Number of keys: 20, #Key-Black: 9, #Key-Brown: 11,
Classification: / Pocket,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: FABRIKA RACUNSKIH MASINA_docu: (Cat.) 1978,
Resemblance with: (Resemblance 054),
Known Serial-numbers: 210793 (List of all S/Ns from FABRIKA RACUNSKIH MASINA)
Collector value: 7.5/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),