AKA: DUAL POWERED SOLAR BATTERY, AKA (Label): EC-423, CAT.NO. 65-563, DUAL POWERED CALCULATOR, (SOLAR & BATTERY), Product number (P/N): 65563 (65-563),
Keywords/Tags: 65563 (65-563) | EC423 (EC-423) | DUAL POWERED SOLAR BATTERY
Date of intro: 1988,
Power: Battery + Solar,
Display: Type = Display (LCD) (List), Digits = 8+1,
Number of keys: 23, #Key-White: 23,
Classification: / Pocket / Foldover, Flip,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: RADIO SHACK_parts: (Box) EC423,
Collector value: 7/10,