Specifications

A New Classroom Standard Created from High-resolution LCD Technology

Featuring the latest Casio classwiz Non programmable scientific calculator fx 991 ex plus which feature high resolution display for more data on display, Online QR code visualization to help you do more via Graphical representation, numerical representation or taking help to do more. Metallic finish keys with colorful coding for better functionality as well a faster processor and twice the memory size makes sure of speedy calculations. Casio classwiz fx 991 ex non programmable scientific calculator is made for you. Become your Classwiz !

Function

Introduces high-performance functions effective for advanced mathematics

High-resolution LCD

The new ClassWiz features a high-resolution display
- making it easier to view numerical formulas and symbols.

    New Icon display
    Innovative input method
    List display

The new ClassWiz makes it possible to display on the screen twice the number of characters in normal size and six times the number in small size compared with previous models.

High-resolution LCD drives further evolution!

Higher resolution increases the amount of information that can be displayed and improves usability. In addition, ClassWiz is equipped with a basic spreadsheet function for creating spreadsheets with up to 5 columns and 45 rows (maximum of 170 data items).

ClassWiz technology has the power to change mathematics classroom

Easy-to-use

Superb usability that takes full advantage of the improved display capabilities makes the interface easy to use in classrooms

    Intuitive icon display

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

    Unabbreviated English display

Nearly all English words are displayed on the screen in unabbreviated form.

    Interactive format

Interactive menu display realizes more intuitive operation.

    Natural Textbook Display

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

Newly designed body for the best use of calculation

Featuring intelligent design and an elegant texture

Comes with slide-on hard case
Special surface processing

A special surface process applied to the body results in an elegant texture and design.

    Metallic keys

The stylish look and feel of metal imparts a sense of luxury.

    Key functions arranged by color

The functions assigned to keys are color-coded to facilitate key operation.

    Easy-to-understand key notation

The key notation, like the display format, uses signs and symbols like those found in mathematics textbooks. This natural interface makes input fast and easy.

    Thin rounded body

The thin, smoothly rounded body fits the hand perfectly.

Easy-to-study

A High-performance processor and twice the memory of previous models
ensure speedy operation and superior computational power.

High performance effective for education

    High-resolution display

192 × 63-dot display.
Clear display of equations and messages

    High-speed calculation

Fast calculation for smooth performance in class or during examinations

    Data capacity for Statistics

Capacity to process 160 statistical data items

    High-performance functions

• Use of spreadsheets
• 4 × 4 matrix calculation

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.

High computational competence for performing even advanced mathematics

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

Effective learning for
Advanced Mathematics

Even advanced mathematical calculations are simple to perform and
functions that take advantage of previous unavailable display capabilities
are now possible

    Spreadsheet calculations

Statistics

The spreadsheet function can be used for studying statistics which has become important in mathematics classes

Recursion

In addition, the spreadsheet function makes it possible to enter recursive formulas

Riemann Integral

Calculation using advanced Riemann functions is also possible

The spreadsheet function makes it easy to use real-world data even in the classroom, enabling students to effectively study statistical processing

    Advanced statistical distribution calculations

This function makes it possible to perform several different types of distribution calculations such as binomial probability.

Binomial probability

    Matrix calculations

This function makes it possible to perform matrix calculations of up to 4 rows by 4 columns.

4x4 Matrix calculation

    Other newly realized calculations

ClassWiz supports other advanced mathematical operations including

· Simultaneous linear equations in 2 to 4 unknowns

· High-degree equations of second to fourth degree

· Second-degree to fourth-degree inequalities

Online Visualization
Service Using QR Code

The input formula and data are converted into a QR Code matching the settings on the calculator, then displayed on the calculator screen.
Display numerical formulas and graphs and use them in study by reading QR Codes with an application on a smartphone, tablet, or other similar device.

Convert the numerical formula into a QR Code!

    Visualization with graphs
        Input formula
        Table
        QR Code
        Display Graph

    Easy formula input
        Input formula
        Calculation Result
        QR Code
        Display formula

Promotes fast, efficient report writing

    Quick user manual call-up
        Display the menu
        QR Code
        Display the manual

Makes learning to operate the calculator fast and easy

    Spreadsheet calculations

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

    Matrix calculations

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

    Vector calculations

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

    Multiline display

Formulas are automatically wrapped to multiple lines.* *In linear input mode

    Integration calculations

Perform integration calculations in advanced mathematics.

    Differential calculations

Perform differential calculations in advanced mathematics.

    Equation calculations

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

 

    Inequality calculations

Solve second-degree to fourth-degree inequalities.

 

    Advanced statistical distribution calculations

Perform calculations involving normal distributions, binomial distributions, and Poisson distributions.

    Ratio calculations

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

    Metric conversions

Select units from the Metric Conversion Command List.

    Scientific constants

Select scientific constants from the Scientific Constant Table.

    Variables list

One-touch list display

    Statistics list

Displays six rows at once.

    Digit separator

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

    Engineering symbols

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

Main functions

    Variables list
    Prime factorization
    Random integers
    Coordinate transformation
    Power calculation
    Trigonometry
    Fraction calculations
    Combination and permutation
    9 variables
    Statistics (List-based STAT data editor, Standard deviation, regression analysis, Statistics list)
    Table function
    UNDO
    Digit separator
    Multiline display

Additional functions

    Spreadsheet calculations
    Integration calculations
    Differential calculations
    CALC function
    SOLVE function
    Complex number calculations
    Base-n calculation
    Equation calculations
    Matrix calculations
    Vector calculations
    Scientific constants
    Metric conversions
    Advanced statistical distribution calculations
    Inequality calculations
    Ratio calculations
    QR Code
    Engineering symbol calculations

General specifications

    552 functions
    Display: Natural Textbook Display“ Natural V.P.A.M.
    High-Resolution LC-Display, 63 x192 dots, 16/10 + 2 digits
    Energy supply: Solar + Battery (1xLR44)
    Comes with new slide-on hardcase
    Dimensions (H x W x D): 11.1 x 77 x 165.5 mm
    Weight: 90g

Total weight : 62 g