Kingdom DS-991ES Scientific Calculator (410 Functions + Hard Case)

Sold by Kingdom Books & Stationery Ltd · Osu

Equip yourself for academic success or professional engineering tasks with the Kingdom Books DS-991ES Scientific Calculator. Packed with advanced mathematical capabilities and built with a durable protective hard case, this is the ultimate tool for high school, university, and technical coursework. Key Features: - Features a total of 410 built-in mathematical, statistical, and logical functions. - Handles matrix calculations, complex numbers, integration, differentiation, and base-n logical operations. - 31x96 dots natural textbook display for easy readability of fractions, formulas, and symbols. - Combines solar and battery power for reliable, long-lasting performance. - Comes with a durable slide-on hard case to protect the keys and screen from damage while in a backpack.