Casio Fx 991ex User Manual Pdf

I love the simplicity of the Casio fx-991EX (ClassWiz). The use of a natural textbook display and high resolution screen allows me to present mathematics the way students see mathematics in their textbooks. The ClassWiz also allows me to teach concepts I never could before. CASIO Casio Computer Co., Ltd. Founded in April 1946 in Tokyo, Japan, nowadays is well-known as a multinational electronics company famous for manufacturing calculators, cameras, musical instruments and watches. Fx-991EX Quick Start Guide 13 Operations with matrices and matrix related calculations are all located in the Matrix Menu. From the Main Menu, use the arrow keys to highlight the Matrix.

To change the language setting from Arabic to English(PDF/49.9KB)

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.

A comprehensive set of advanced functions unique to CASIO scientific calculators

Useful for learning statistics. Up to 5 columns × 45 rows (maximum of 170 data items)

Perform calculations with matrices of up to 4 rows and 4 columns.

Perform calculations using up to four third-order vectors stored in memory.

Formulas are automatically wrapped to multiple lines. *

Perform integration calculations in advanced mathematics.

Perform differential calculations in advanced mathematics.

Calculation of simultaneous equations in 2 to 4 unknowns and high-degree equations of second to fourth degree

Solve second-degree to fourth-degree inequalities.

Casio Fx 991ex User Manual Pdf File

Perform ratio calculations such as A:B=X:D.

Select units from the Metric Conversion Command List.

Select scientific constants from the Scientific Constant Table.

One-touch list display

Displays six rows at once.

User Manual

Separation every three digits makes even large numbers easy to read.

Perform engineering calculations that include symbols such as k, M, m, and n.

Casio Fx-991ex Manual Pdf

Find the sum of all the terms of a given numerical sequence.