AKA (Label): MODEL SR I, ELECTRONIC CALCULATOR, Product number (P/N): SRI,
Keywords/Tags: SRI
Date of intro: ~1976, Origin: Japan (List),
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 33, #Key-Grey: 20, #Key-White: 13,
Miscellaneous switch: [OFF-ON DEG-RAD-GRAD],
Classification: / Pocket,
Featuring: Scientific functions, Square root, PI, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: CITIZEN_docu: (Broch.) Desk-top Calculators, Hand-held Calculators,
Main Components: CITIZEN: IH030a,
Known Serial-numbers: 71007828 (710 07828) (List of all S/Ns from CITIZEN)
Collector value: 7.5/10,
Internet: Link-1: VIRTUAL MUSEUM OF CALCULATORS