AKA: 12 Digit, EL-2139H, ELSI MATE, TWIN POWER CALCULATOR, AKA (Label): BATTERY, SOLAR CELL, Product number (P/N): EL2139H (EL-2139H),
Keywords/Tags: EL2139H (EL-2139H) | 2139H | 12Digit
Origin: China (List),
Power: 3V: (LR44 x1) + Solar,
Display: Type = Display (LCD) (List), Digits = 12+1,
Number of keys: 32,
Classification: / Desktop with Display,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Known Serial-numbers: 5D018 (List of all S/Ns from SHARP)
Collector value: 7/10,