Scientific Calculator: For Exams, Competitions & University Studies

This high-performance scientific calculator is designed to meet the demands of students, engineers, and science enthusiasts alike. With a clear Chinese interface and 417 built-in functions, it handles everything from basic arithmetic to advanced calculus, equation solving, and statistical analysis. Its dual power source (solar + battery) ensures reliable performance during long exams, while the durable, lightweight design makes it easy to carry to class or competitions. Whether you're preparing for a university entrance exam, a physics competition, or daily coursework, this calculator delivers accuracy and efficiency in every calculation.

• Comprehensive Functionality 417 built-in functions for math, physics, chemistry, statistics, and engineering
• Intuitive Chinese Interface Easy-to-navigate menu for quick access to advanced features
• Dual Power Source Solar + battery for uninterrupted use, even in low-light exam halls
• High-Resolution Display Clear, multi-line screen shows formulas and results exactly as written
• Exam & Competition Ready Approved for use in most university entrance exams, contests, and professional certifications

What's in the box
1 x FX-991CN X Scientific Calculator (Blue)
1 x Protective Leather Case
1 x Spare Battery
1 x Screwdriver