AKA: 121.MR ELECTRONIC CALCULATOR, AKA (Label): 121-MR, Product number (P/N): 121MR (121-MR),
Keywords/Tags: 121MR (121-MR) | ELECTRONIC CALCULATOR
Date of intro: 1975, Origin: Japan (List), Dimensions: 170x120x36mm, Weight: 372g,
Power: 6V: (AA x4) + Adaptor, Adaptor: CASIO_adaptors: AD4145,
Display: Type = Display (VFD) (List), Digits = 12,
Number of keys: 26, #Key-Grey: 13, #Key-Orange: 2, #Key-White: 11,
Keyboard Array (Rows x Columns): 05x06,
Decimal switch: [6-4-3-2-1-0], Round switch: [F-CUT-5/4], Miscellaneous switch: [N-(Sigma)],
Classification: / Desktop with Display,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Related with: CASIO_docu: (Broch.) 121MR: A 12 digit calculator...; CASIO_docu: M3000967F (Cat.); CASIO_docu: (Broch.) *: (Japanese) version-1; CASIO_docu: (Broch.) *: (Japanese) version-2; CASIO_docu: (Cat.) 1976~ (Japanese); CASIO_docu: (Cat.) 19760526: From the world's leading manufacturer...; CASIO_docu: (Ad.) *: A free 121-MR personal… (121MR,R320); CASIO_parts: (Box) 121MR,
Main Components: HITACHI: HD3686,
Original Equipment Manufacturer : CASIO: 121MR (List of all Export-OEM-models from CASIO), Resemblance with: MBO: 121MR,
Initial Cost Price: 13500 JPY (€ 109,35), Collector value: 7.5/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: LEDUDU, Link-2: CASIO CALCULATOR COLLECTORS, Link-3: VINTAGE TECHNOLOGY