AKA (Label): MODEL SR-400, ELECTRONIC POCKETABLE CALCULATOR, Product number (P/N): SR400 (SR-400),
Keywords/Tags: SR400 (SR-400)
Date of intro: ~1975, Origin: Japan (List), Dimensions: 128x82x22mm,
Power: 3V: (AA x2) + Adaptor,
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 28,
Classification: / Pocket,
Featuring: Procent, Square root, PI, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Main Components: NEC: µPD946C,
Resemblance with: (Resemblance 009),
Collector value: 7/10,