Casio Scientific Calculator fx-991ES Plus

Set the new classroom standards with Casio Scientific Calculator Fx-991ES Plus. A pocket-friendly scientific calculator with 417 functions having 2-line display with 10 + 2 places. Liquid crystal screen with natural textbook display. Dual Power: slar & battery dependent. Perfect for Equation calculations, Integration/differential calculations, Matrix calculations, Vector calculations, Complex number calculations, CALC function, SOLVE function Comes with new slider-on hard case for extra protection.