Casio Scientific Calculator, FX-991 Battery & Solar Powered

Say goodbye to calculator confusion with this powerhouse from Casio. Whether you're tackling high school algebra or university-level calculus, this scientific calculator has your back with a whopping 401 built-in functions. From fractions to differential equations, it's got the mathematical muscle to handle it all. Crunch numbers in style with features like base-n calculations, vector and matrix operations, and even 40 handy metric conversions. With 9 variable memories, you can store those tricky constants for later.