AKA: ELECTRONIC CALCULATOR, ML-840, AUTO POWER-OFF, AKA (Label): ML-840, Product number (P/N): ML840 (ML-840),
Keywords/Tags: ML840 (ML-840) | ELECTRONIC CALCULATOR
Date of intro: ~1981, Origin: Japan (List), Dimensions: 114x68x7mm, Weight: 61g,
Power: 3V: (G10 x2),
Display: Type = Display (LCD) (List),
Number of keys: 21,
Miscellaneous switch: [OFF-(Music)-CAL],
Classification: / Pocket / Audio,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: CASIO_docu: (Cat.) 198102 (Japanese),
Initial Cost Price: 4500 JPY (€ 36,45), Collector value: 7/10,