The Casio FX-991MS Scientific Calculator is a powerful 12-digit non-programmable scientific calculator designed for students, engineers, teachers, and professionals. Equipped with 401 built-in functions, a 2-line dot matrix display, and S-V.P.A.M. (Super Visually Perfect Algebraic Method), it enables fast and accurate calculations for mathematics, engineering, physics, chemistry, and statistics. With solar and battery dual power and a protective slide-on hard case, it is ideal for everyday academic and professional use.

• 401 built-in functions for engineering, mathematics, and science calculations
• 2-line dot matrix display with S-V.P.A.M. for easy equation viewing
• Supports fractions, matrices, vectors, complex numbers, calculus, statistics, and equation solving
• Solar & battery dual power with auto power-off for reliable performance
• Includes a slide-on hard case, ideal for students, engineers, colleges, and competitive exams