AKA: SCIENTIFIC CALCULATOR fx-21, AKA (Label): fx-21, Product number (P/N): fx21 (fx-21),
Keywords/Tags: fx21 (fx-21) | SCIENTIFIC CALCULATOR
Date of intro: 1976, Origin: Japan (List), Dimensions: 145x84x25mm,
Power: 3V: (AA x2) + Adaptor, Adaptor: CASIO_adaptors: AD2S,
Display: Type = Display (VFD) (List), Digits = 8+2,
Number of keys: 35, #Key-Black: 11, #Key-Beige: 15, #Key-Grey: 7,
Miscellaneous switch: [RAD-DEG-GRAD],
Classification: / Pocket,
Featuring: Scientific functions, Square root, PI, Memories: 1,
Related with: CASIO_docu: (Broch.) FX21: The World's Biggest...; CASIO_docu: (Ad.) *: New High-IQ Aides... (FX19,FX21,FX102,FX201P); CASIO_docu: (Ad.) *: These will take a... (FX1,FX21,FX201P,FX1000); CASIO_docu: (Broch.) *: Casio scientific calculators; CASIO_docu: (Ad.) *: The higher your daily... (FX21,FX102,FX201p,FX1000); CASIO_docu: (Ad.) *: If Casio can't solve you problems, nobody can; CASIO_docu: (Ad.) *: Si Casio ne peut résoudre vos problèmes…,
Main Components: NEC: µPD574C,
Original Equipment Manufacturer : CASIO: FX21 (List of all Export-OEM-models from CASIO), Resemblance with: BOOTS: 424; MBO: FX21, (Resemblance 096C),
Known Serial-numbers: 4361383 | 4860809 (List of all S/Ns from CASIO)
Initial Cost Price: USD19.95, Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1, Link-2, Link-3: LEDUDU