AKA: F-I, Product number (P/N): FI (F-I),
Keywords/Tags: FI (F-I)
Date of intro: ~1975, Origin: Japan (List), Dimensions: 138x76x25mm,
Power: 3V: (AA x2) + Adaptor,
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 20, #Key-Blue: 9, #Key-White: 11,
Keyboard Array (Rows x Columns): 04x05, Keyboard Layout: [7] [8] [9] [(Division)] [C] - [4] [5] [6] [x] [CE] - [1] [2] [3] [-] [%] - [0] [.] [+/-] [+] [=],
Miscellaneous switch: [(ArrowLeft)-ON],
Classification: / Pocket,
Featuring: Procent, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Components: 20 ... 7 Capacitor(s), 2 Diode(s), 9 Resistor(s), 1 IC(s),
Main Components: NEC: µPD940C,
Original Equipment Manufacturer : TOHO TSUSHO: F1, Resemblance with: (Resemblance 012A), Made by: TOHO TSUSHO (List of all Import-OEM-models for FEDERAL),
Collector value: 7/10,
Internet: Link-1: VINTAGE TECHNOLOGY