AKA: DUAL POWERED, SOLAR . BATTERY, AKA (Label): EC-424, CAT.NO. 65-564, DUAL POWERED CALCULATOR (SOLAR & BATTERY), Product number (P/N): 65564 (65-564),
Keywords/Tags: 65564 (65-564) | EC424 (EC-424) | DUAL POWERED, SOLAR . BATTERY
Date of intro: 1989, Origin: Thailand (List), Dimensions: 127x70x8mm, Weight: 79g,
Power: Battery + Solar,
Display: Type = Display (LCD) (List), Digits = 8+1,
Number of keys: 23, #Key-Black: 22, #Key-Orange: 1,
Classification: / Pocket,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Serie-members: RADIO SHACK: EC424 (version-1) (1 Blue Key); RADIO SHACK: EC424 (version-2) (1 Orange Key),
Collector value: 7/10,
Courtesy of: COULOMBE Alain,