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Casio FX-991ARX Scientific Calculator


Intuitive, easy-to-learn

Casio Scientific Calculator FX-991ARX-W-

Intuitive, easy-to-learn icon display

The use of icons on the menu screen improves viewability. 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 models.

Easy-to-understand Arabic and English messages and interactive format

Nearly all Arabic and English words are displayed on the screen in unabbreviated form. Interactive menu display realizes more intuitive operation.

High computational competence for performing even advanced mathematics

ClassWiz contains calculation functions that support even advanced mathematical operations, including spreadsheet calculations, 4 × 4 matrix calculations, calculation of simultaneous equations with four unknowns and quartic equations.

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.

FX-991ARX-W-DH Calculators