Casio FX-991ES Plus-2 Scientific Calculator, Blue

Overview:

The Casio FX-991ES Plus-2 (Blue) is a high-performance scientific calculator designed for school, university, and professional use. Featuring Natural Textbook Display, it shows mathematical expressions exactly as they appear in textbooks, making calculations easier to read and understand. With over 400 built-in functions, dual power (solar and battery), and a durable slide-on hard case, it is ideal for exams, engineering, statistics, and advanced mathematics.

Key Features:

• Natural Textbook Display (fraction, root, and equation format)
• 400+ built-in functions
• Solar + Battery dual power
• Matrix and vector calculations
• Complex number calculations
• Statistical calculations (standard deviation, regression)
• Integration and differentiation functions
• Equation solver functionality
• Non-programmable (exam friendly)
• Durable slide-on protective case
• Attractive blue finish