AKA: 10 DIGIT SCIENTIFIC CALCULATOR, PROGRAMMABLE, Product number (P/N): 65658 (65-658),
Keywords/Tags: 65658 (65-658) | 65658A (65-658A) | EC4004
Date of intro: 1982, Origin: Japan (List),
Power: 3V: (CR2025 x1),
Display: Type = Display (LCD) (List), Digits = 10+2,
Number of keys: 39, #Key-Black: 11, #Key-Brown: 1, #Key-Grey: 8, #Key-White: 19,
Miscellaneous switch: [POWER_(Blank)-(ArrowRight)ON],
Classification: / Pocket,
Featuring: Scientific functions, Procent, Square root, PI, Programmable, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 7, Programmable Steps: 38,
Related with: (Docu_Catalogs): TANDY (RADIO SHACK): 1986; RADIO SHACK_docu: (Instr.) EC4004,
Main Components: HITACHI: HD43147,
Original Equipment Manufacturer : CASIO: FX3600P, Made by: CASIO (List of all Import-OEM-models for RADIO SHACK),
Collector value: 7/10,
Internet: Link-1: R/S Programmable Calculators, Link-2: MULDER