FX-991EX
₨ 6,500.00
Casio FX-991EX Engineering/Scientific Calculator, Black, 3″ x 6.5″ x 0.4″
The Casio FX-991EX is an advanced scientific calculator designed for students and professionals alike, offering a powerful array of features to meet all your mathematical needs. With its sleek design and intuitive interface, this calculator is perfect for everything from basic arithmetic to complex calculations.
Equipped with a high-resolution LCD screen, the FX-991EX displays fractions, formulas, and equations in their natural form, making it easier to understand and analyze your work. It supports over 500 functions, including calculus, statistics, linear algebra, and matrix operations, providing the versatility required for various subjects.
The Casio FX-991EX also features a spreadsheet functionality, allowing you to create and analyze data efficiently. With its solar and battery power options, you can rely on this calculator to perform optimally in any environment.
Key Features:
- High-resolution LCD for clear visibility
- Supports over 500 mathematical functions, including calculus, statistics, and matrix calculations
- Natural Textbook Display for easy reading of equations and fractions
- Spreadsheet functionality for data analysis
- Dual power source: solar and battery
- Lightweight and portable design for easy carrying
High-Resolution LCD
The New ClassWiz Features A High-Resolution Display
– Making It Easier To View Numerical Formulas And Symbols.
Out of stock
CALCULATOR DESCRIPTION
- Power Source: Solar, Battery
- Brand: Casio
- Color: Black
- Number of Batteries: 1 LR44 batteries required. (included)
- Model Name: ClassWiz
TECHNICAL DETAILS
- Product Dimensions : 0.4 x 6.5 x 3 inches; 3.2 ounces
- Batteries: 1 LR44 batteries required. (included)
- Date First Available : June 19, 2015
- Manufacturer : CASIO
- ASIN : B00ZZ93346
- Item model number : FX-991EX
SIZE OF PRODUCT / TOTAL WEIGHT
- Product Dimensions: 0.4 x 6.5 x 3 inches
- Item Weight: 3.2 ounces
SPECIFICATIONS
ClassWiz Series
*The Photo Shows The Fx-991EX
ES PLUS Series
■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.
ClassWiz Series
*The Photo Shows The Fx-991EX
ES PLUS Series
■Unabbreviated English display
Nearly All English Words Are Displayed On The Screen In Unabbreviated Form.
ClassWiz Series
*Messages Are Spelled Out (Not Abbreviated)
ES PLUS Series
■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.
MS Series
Newly designed body for the best use of calculation
Featuring Intelligent Design And An Elegant Texture


Special Surface Processing
A Special Surface Process Applied To The Body Results In An Elegant Texture And Design.
- Metallic Keys
(Fx-991EX/570EX Only)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.
4×4 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
- Simultaneous Linear Equations In 2 To 4 Unknowns
Online Visualization
Service Using QR CodeThe 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. (Fx-991EX/570EX Only)Convert The Numerical Formula Into A QR Code!- Visualization With Graphs
- Input Formula
- Table
- QR Code
- Display Graph
Makes Formulas Visually Understandable
- 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
A comprehensive set of advanced functions unique to CASIO scientific calculators
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
Item Model Number |
FX-991EX |
---|---|
Product Dimensions |
0.4 x 6.5 x 3 inches |
4 reviews for FX-991EX
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Shipping
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Hamdan –
Ideal Product
Yaseen –
It’s pretty!
Waseem –
Cool Product!
majid –
Really good one and many features.
Easy to carry and light weight.