It is the only calculator supporting Arabic & English languages .The fx-991ARX is the most advanced scientific calculator. The fx-991ARX offers a high-resolution LC display with 192×63 pixels, four times higher than previous calculators, a faster processor and double the memory.

Intuitive, easy-to-learn icon display

The use of icons on the menu screen improves view ability. Selection of the desired function is quick and easy.

Natural Textbook Display

Input and display fractions, powers, logarithms, roots, and other mathematical formulas and symbols just as they appear in textbooks

List display function for thorough, speedy learning

Variables and statistical calculation results stored in memory can be displayed in lists. There’s no need to recall and confirm individual values as with previous model

Online Visualization Service Using QR Code

Generate QR codes of equations input into the calculator by a simple operation. Graphs and other graphics can be displayed on smartphone or tablet screens.

Learn how to use your CASIO fx-991ARX.

General General

CLASSWIZ تعاُّم الرياضيات مع

General General

الكتيب Casio FX-991ARX

Here's how you can emulate the CASIO fx-991ARX calculator on your computer.