AKA: Scientific Calculator EL-531H, MEMORY SAFE GUARD / AUTO POWER OFF, Product number (P/N): EL531H (EL-531H),
Keywords/Tags: EL531H (EL-531H) | 531H | Scientific Calculator
Date of intro: 1988, Dimensions: 128x70x15mm, Weight: 72g,
Power: 3V: (LR44 x2),
Display: Type = Display (LCD) (List),
Number of keys: 38, #Key-Black: 20, #Key-Grey: 17, #Key-Red: 1,
Classification: / Pocket,
Featuring: Scientific functions, Square root, PI, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Main Components: SHARP: SC7892,
Collector value: 7/10,
Internet: Link-1: VIRTUAL MUSEUM OF CALCULATORS