AKA: 10-DIGIT, SCIENTIFIC CALCULATOR, fx-550, AKA (Label): fx-550A, Product number (P/N): fx550A (fx-550A),
Keywords/Tags: fx550A (fx-550A) | SCIENTIFIC CALCULATOR
Date of intro: 1981, Origin: Japan (List), Dimensions: 134x72x9mm, Weight: 60g,
Power: 3V: (CR2025 x1),
Display: Type = Display (LCD) (List),
Number of keys: 39, #Key-Black: 11, #Key-Brown: 1, #Key-Grey: 9, #Key-White: 18,
Miscellaneous switch: [POWER_(ArrowRight)-ON],
Classification: / Pocket,
Featuring: Scientific functions, Square root, PI, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: CASIO_docu: M4000938L (Cat.),
Original Equipment Manufacturer : CASIO: FX550A (List of all Export-OEM-models from CASIO), Resemblance with: RADIO SHACK: EC499,
Collector value: 7/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: CASIO CALCULATOR COLLECTORS, Link-2: MY CALCULATORS DATABASE, Link-3: LE RAYON DES CALCULATRICES