AKA: National, SCIENTIFIC CALCULATOR, Product number (P/N): JE551,
Keywords/Tags: JE551 | National, SCIENTIFIC CALCULATOR | 551
Date of intro: ~1986, Dimensions: 109x62x7mm, Weight: 50g,
Power: 3V: (LR44 x2),
Display: Type = Display (LCD) (List), Digits = 5+1+(2+1),
Number of keys: 40, #Key-Black: 39, #Key-Red: 1,
Classification: / Pocket,
Featuring: Scientific functions, Square root, PI, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: PANASONIC_docu: (Cat.) 1986~,
Serie-members: PANASONIC: JE551 (5+1+(2+1) Digits); PANASONIC: JE553 (8+1+(2+1) Digits),
Initial Cost Price: 3500 JPY (€ 28,35), Collector value: 7/10,