Casio - fx-991ES PLUS-2BU | Calculator

Your Perfect Study Companion – Casio fx-991ES PLUS-2BU Calculator Designed with students in mind, it makes math homework and exam prep easier.

Its intuitive layout fits comfortably in your hand, and the clear display shows equations exactly as they appear in your textbook—no confusion, no guesswork. Why Students Love It

✏️ Natural Textbook Display – See fractions, equations, and results formatted just like your textbook pages

🎯 Built for Your Curriculum – Handles everything from basic fractions and statistics to calculus, matrices, and complex numbers

⚡ Fast & Reliable – Trusted by students worldwide for accuracy you can count on in exams What You Can Do Fraction calculations and random integers:
• Combinations and permutations 
• Statistics with standard deviation and regression 
• Equation solving and integration/differential calculations
• Matrix and vector operations
• Complex number calculations
• 9 variables for storing values
• Table function for exploring patterns: Durable & Ready to Go. Comes with a protective slide-on hard case to keep your calculator safe in your backpack. Built with Casio's authentic quality—the same brand your teachers recommend. Whether you're tackling algebra, trigonometry, or advanced math, this calculator grows with you through every level of your studies.