Casio fx-991CW

Specification:

Brand: CASIO
Warranty Period: 3 Years
Colour: Black
Country of Origin: Japan
Number Of Digit: 12 Digit
Features: Auto Power Off Dual Power
Dimensions: 162 x 77 x 10.7mm.
Model: Casio FX-991CW.
Functions: 540+
Display Type: Natural textbook display
Power Type: Solar and Battery.
Material: Plastic.
Battery Type: Solar Powered.
Product Weight: 95 Grams.
Display Size: Large.
Country of Assemble: China/Thailand/Philippines

Summary: 

The Casio FX-991CW is one of Casio’s most advanced scientific calculators, engineered for students, engineers, and professionals who demand accuracy and efficiency. Featuring a Natural Textbook Display, it shows fractions, roots, powers, and logarithms exactly as they appear in study materials, making problem-solving clearer and reducing errors.

Packed with 540 functions, this calculator supports everything from basic arithmetic to advanced topics like trigonometry, calculus, statistics, matrix and vector operations, base-n calculations, and complex numbers. It also includes dedicated keys for polar/rectangular coordinate conversion, factorials, permutations, combinations, and prime factorization—making it a complete tool for academic and professional use.

Powered by both solar energy and battery backup, the FX-991CW ensures uninterrupted performance in any environment. With a slim, lightweight design (95g), durable plastic keys, and a protective hard case, it’s built for everyday use. Backed by a 3-year warranty, the Casio FX-991CW is a reliable investment for success in studies and beyond.