AKA: LC-509, ELECTRONIC CALCULATOR, AUTO POWER OFF, Product number (P/N): LC509 (LC-509),
Keywords/Tags: LC509 (LC-509) | ELECTRONIC CALCULATOR
Date of intro: ~1981,
Display: Type = Display (LCD) (List),
Number of keys: 23, #Key-Black: 23,
Classification: / Pocket,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Serie-members: CITIZEN: LC509 (version-1) (Black); CITIZEN: LC509 (version-2) (Beige),
Collector value: 6/10,