The FX-991ES Plus is a non-programmable scientific calculator that offers a wide range of functions suitable for various mathematical and scientific applications. It combines user-friendly operation with advanced functionalities, making it ideal for both academic and professional use.

Key Features:
Functions: 417 functions, including statistical, trigonometric, calculus, and matrix calculations.
Natural Textbook Display: Displays fractions, roots, and other mathematical expressions as they appear in textbooks.
Multi-replay Function: Allows users to review and reuse previous calculations.
Two-Way Power: Operates on solar power with a battery backup, ensuring reliable use in various lighting conditions.
Durable Design: Compact and lightweight, making it easy to carry.
Quick Calculation: Efficient for performing complex calculations quickly.

Specifications:
Display: 2-line display with a high-resolution screen.
Weight: About 150 grams.
Material: Made from durable plastic.
Functionality: Supports complex numbers, statistical data analysis, and vector/matrix calculations.
Additional Functions:
Calculus: Differentiation and integration.
Statistics: Standard deviation, combinations, and permutations.
Angle Measurement: Degrees, radians, and gradians.
Physical Constants: Built-in constants for physics calculations.
The Casio FX-991ES Plus is a reliable tool for students and professionals, providing the functionality needed for advanced mathematics and science calculations.

What's in the box
1 x Scientific calculator