AKA: 8 Mini, AKA (Label): ELECTRONIC CALCULATOR 820, Product number (P/N): 820,
Keywords/Tags: 820 | 8mini (8 mini) | mini
Date of intro: ~1975, Origin: Japan (List),
Adaptor: OMRON_adaptors: 3006DB,
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 20, #Key-Grey: 7, #Key-White: 11, #Key-Yellow: 2,
Keyboard Array (Rows x Columns): 04x05,
Classification: / Pocket,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Collector value: 7/10,