AKA: ELSI MATE EL-505, AUTO POWER OFF, SCIENTIFIC CALCULATOR, AKA (Label): ELECTRONIC CALCULATOR, EL-505, Product number (P/N): EL505 (EL-505),
Keywords/Tags: EL505 (EL-505) | 505 | SCIENTIFIC CALCULATOR, ELSI MATE
Date of intro: ~1980, Origin: Japan (List), Dimensions: 160x78x20mm, Weight: 134g,
Power: 3V: (AA x2),
Display: Type = Display (LCD) (List),
Number of keys: 36, #Key-Black: 20, #Key-Grey: 14, #Key-Red: 1, #Key-Yellow: 1,
Keyboard Array (Rows x Columns): 08x05,
Miscellaneous switch: [ON-OFF],
Classification: / Pocket,
Featuring: Scientific functions, Square root, PI, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Main Components: NEC: SC1853G,
Collector value: 7/10,