Casio FX-991 ZA Plus II Scientific Calculator for Advanced Calculations

The Casio FX-991 ZA Plus II Scientific Calculator is engineered for students, engineers, and professionals who require comprehensive mathematical tools. It offers over 400 built-in functions, covering algebra, trigonometry, statistics, calculus, and complex number calculations.

Equipped with a Natural Textbook Display, it shows equations and results exactly as presented in textbooks, enhancing readability and understanding. The calculator has a large, high-resolution screen and user-friendly key layout for smooth operation during exams and work tasks.

Its dual power system combines solar energy with a battery backup, ensuring reliable use anytime. The robust design supports frequent academic and office use.

Key Features

• More than 400 functions
• Natural Textbook Display for clear equation viewing
• Supports fractions, matrices, vectors, and statistics calculations
• Dual power: solar with battery backup
• Fast and accurate processing
• Ideal for high school, university, engineering, and technical calculations

Perfect For

• Students and educators
• Engineering and technical tasks
• Mathematics and science disciplines
• Exams and classroom environments