The Casio fx-991ES PLUS 2nd Edition is a trusted essential for engineering, science, and higher secondary students. Featuring a high-contrast Natural-V.P.A.M. two-line display with solar and battery dual power, it delivers smooth calculation across matrix, statistics, and equation operations. Designed with a durable black textured casing and tactile keys for quick, accurate input. An indispensable, long-lasting electronic tool for academic and professional problem-solving.
