Product number (P/N): 91K,
Keywords/Tags: 91K
Date of intro: ~1975, Origin: Japan (List), Dimensions: 118x74x20mm,
Power: 6V: (AAA x4),
Display: Type = Display (VFD) (List),
Number of keys: 24, #Key-Black: 10, #Key-Blue: 3, #Key-White: 11,
Decimal switch: [F-2-3], Miscellaneous switch: [(Blank)-(Sigma) on-off],
Classification: / Pocket,
Featuring: Procent, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Resemblance with: PRECISA: M201; ROYAL: 91K (version-1), (Resemblance 033),
Collector value: 7/10,
Internet: Link-1: VINTAGE CALCULATORS WEB MUSEUM