AKA (Label): MODEL 830R, ELECTRONIC CALCULATOR, Product number (P/N): 830R,
Keywords/Tags: 830R
Date of intro: 1976, Origin: Japan (List), Dimensions: 150x87x23mm, Weight: 198g,
Power: Rechargeable,
Display: Type = Display (VFD) (List), Brand = FUTABA: 9ST04, Digits = 8+1,
Number of keys: 25, #Key-Blue: 13, #Key-Grey: 11, #Key-Orange: 1,
Keyboard Array (Rows x Columns): 05x05,
Classification: / Pocket,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Related with: CITIZEN_docu: (Broch.) *: Taschenrechner mit der 12-Monats-Vollgarantie,
Main Components: NEC: µPD946C,
Resemblance with: (Resemblance 007_05_05_25),
Known Serial-numbers: 50710450 (List of all S/Ns from CITIZEN)
Collector value: 7/10,
Internet: Link-1: VINTAGE TECHNOLOGY