Casio fx-991CW Scientific Calculator (Black)

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Casio ClassWiz fx-991CW Advanced Scientific Calculator – Black Edition

Upgrade your academic performance with the Casio ClassWiz fx-991CW Scientific Calculator. Featuring an intuitive interface, high-resolution Natural Textbook Display, and over 540 advanced mathematical functions, this next-generation calculator is designed for high school students, university engineering majors, and professionals alike.

Natural Textbook Display: View formulas and equations exactly as they appear in textbooks.
540+ Advanced Functions: Includes calculus, statistics, matrix/vector calculations, equation solvers, and spreadsheet functions.
Dual Power System: Powered by solar with a battery backup for reliable performance anytime, anywhere.
Exam Approved: Suitable for secondary and tertiary level standard examinations (check specific board guidelines).

Specification	Details
Brand	Casio
Model	fx-991CW
Series	ClassWiz Series
Color	Black
Display Type	High-Resolution LCD (Natural Textbook Display)
Total Functions	540+
Power Source	Solar Power + LR44 Battery Backup
Key Type	Smooth Round Keys with High-Legibility Marking
Dimensions	~162 mm × 77 mm × 10.7 mm
Weight	Approx. 90g

Key Features & Benefits

Intuitive Menu-Driven Interface: Easily navigate operations with the newly updated icon display screen, simplifying complex calculations.
QR Code Visualization: Generate QR codes on-screen to instantly graph functions or view data tables on your smartphone or tablet via the Casio web application.
Comprehensive Equation Solver: Easily solve simultaneous linear equations (up to 4 unknowns), higher-degree polynomials, and inequalities.
Spreadsheet Function: Basic spreadsheet functionality right on the device for recording and analyzing small data sets.
Ergonomic & Durable Design: Ergonomically designed body with rounded keys and a protective slide-on hard case to shield against drops and scratches.