CASIO 

CASIO FX-991CW Advanced Scientific

Mfg Part Number:  FX-991CW  
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Price: $27.65 + Free Shipping
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In Stock: 346
Last Updated: Jun 07, 2025
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The Perfect Math Learning Tool With Approachable and Intuitive New Design

The new ClassWiz CW Series is designed for the teaching and studying of today. With its new design and key placement, it can be used by anyone. Includes MathBox, a fun math learning feature. Links up with ClassPad.net to support ICT classes. These features help to boost students' curiosity toward math learning.

Features | Approchable Design

The new display and key layout of the ClassWiz CW Series offer intuitive operability, making it easier for students to learn and teachers to teach.

High-definition & 4-gradation display

The new four-tone screen brings gray into the equation, so you can easily tell which part is being entered.

Simple Cursor Operation and LayoutNew 'OK' and 'Back' keys are added to a streamlined layout that places frequently used keys close to each other, for easy operation with minimal confusion.

Easy-Push Keys

The convex and rounded key faces make them easy to push evenly from any angle.

Easy-to-Understand Key Labeling

The printed labeling around the keys have been simplified, making it easier to locate your most-used keys.

Easy and Intuitive operability

Intuitive and interactive operation makes it easy to use the features of ClassWiz.

By the use of icons, selection of the desired function is quick and easy.

Visual, interactive and textbook-based displays make operation easier for teaching the use of scientific calculators, so you can concentrate on teaching mathematics.

Natural Textbook Display Models

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

Interactive, easy-to-learn icon display

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

The ClassWiz CW Series shows icons and app names together, making it even easier to select them from the menu.

Detailed Lists on a High-Resolution LCD Display

Variables and statistical calculation results stored in memory can be displayes in lists.

High-speed calculationLike the ClassWiz EX Series, it offers fast calculation for smooth performance in class or during examinations.

Variety of Functions and Features

A wide range of essential functions are effective for education and available to support student's learning.

Calculator Apps with a Range of Useful Features

It is easy to select calculator app from the HOME screen that is suitable for the type of calculation you want to perform.

Inspire Students to Learn

ClassWiz is more than just a calculation tool - it's packed with features designed to deepen students' understanding of mathematical concepts.

Math Box and Spreadsheet help students enjoy learning math.

Math box

Dice rolls and coin toss simulations are useful for teaching probability, and they offer a fun way of learning with a scientific calculator based on real-life situations.

Each turn produces random results, which then provokes discussion among students.

Dice Roll

Up to 250 rolls can be simulated for 1 to 3 dice.

Coin TossUp to 250 tosses can be simulated for 1 to 3 coins.

Spreadsheet

The spreadsheet functions is useful for learning statistics, recursive formulas and various mathematics concepts.

Student can use easily real-world data even in the classroom and study statistical processing more effectively.

Main Specification
General Information
Manufacturer Casio Computer Co., Ltd
Manufacturer Part Number FX-991CW
Manufacturer Website Address http://www.casio.com
Brand Name Casio
Product Line ClassWiz
Product Series CW
Product Model fx-991CW
Product Name ClassWiz CW fx-991CW Scientific Calculator
Packaged Quantity 1.0
Product Type Scientific Calculator
Technical Information
Number of Functions 540
Operations/Functionality
  • Statistics
  • Calculation
  • Distribution
  • Spreadsheet
  • Table
  • Equation
  • Inequality
  • Complex
  • Base-N
  • Matrix
  • Vector
  • Ratio
  • Variable memory
  • Trigonometric
  • Exponential logarithmic
Calculator Features LCD Display
Calculator Features Plastic Key
Memory
Memory Type Flash
Display & Graphics
Number of Display Digits 12
Display Screen Type LCD
Battery Information
Power Source Battery
Number of Batteries 1.0
Battery Size Supported LR44
Battery Chemistry Alkaline
Physical Characteristics
Color Family Black
Product Color Black
Height 0.4"
Width 3"
Depth 6.3"
Weight (Approximate) 5.937 lb
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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