AKA: 10-DIGIT SCIENTIFIC CALCULATOR EC-4020, PROGRAMMABLE, Product number (P/N): 65985 (65-985),
Keywords/Tags: 65985 (65-985) | EC4020 (EC-4020) | 10-DIGIT SCIENTIFIC CALCULATOR, PROGRAMMABLE
Date of intro: 1986,
Power: 6V: (CR2032 x2),
Display: Type = Display (LCD alpha-numeric) (List), Digits = 12,
Number of keys: 44, #Key-Black: 11, #Key-Grey: 8, #Key-White: 24, #Key-Yellow: 1,
Classification: / Pocket,
Featuring: Scientific functions, Square root, PI, Programmable, Memories: 26, Programmable Steps: 550,
Original Equipment Manufacturer : CASIO: FX4000P,
Collector value: 7/10,
Internet: Link-1: R/S Programmable Calculators, Link-2: Robert LACOSTE