AKA: Scientific Calculator, EL-522, MEMORY SAFE GUARD / AUTO POWER OFF, Product number (P/N): EL522 (EL-522),
Keywords/Tags: EL522 (EL-522) | 522 | Scientific Calculator
Date of intro: ~1983, Dimensions: 128x69x9mm, Weight: 70g,
Power: 3V: (LR44 x2),
Display: Type = Display (LCD) (List), Digits = 8+1+(2+1),
Number of keys: 44,
Keyboard Array (Rows x Columns): 08x06,
Classification: / Pocket,
Featuring: Scientific functions, Square root, PI, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: SHARP_docu: TINSJ3774CCZZ14 (Instr.) EL522; SHARP_docu: (Cat.) 198311 (Japanese),
Initial Cost Price: 8500 JPY (€ 68,85), Collector value: 7/10,