AKA: mini, AKA (Label): ELECTRONIC CALCULATOR 821, Product number (P/N): 821,
Keywords/Tags: 821 | mini
Date of intro: ~1975, Origin: Japan (List), Dimensions: 93x63x21mm,
Power: 3V: (AAA x2),
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 18, #Key-Black: 6, #Key-Grey: 11, #Key-Yellow: 1,
Keyboard Array (Rows x Columns): 05x04,
Miscellaneous switch: [OFF-ON-0.00],
Classification: / Pocket,
Featuring: Procent, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Main Components: OMRON: HD36291,
Resemblance with: (Resemblance 033),
Collector value: 7.5/10,
Internet: Link-1: SCHLEPPTOPS Rechnerwiki