Casio FX-991EX Engineering Scientific Calculator- Black and White

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₦12,500.00 ₦11,750.00
15 in stock

Casio ClassWiz FX-991EX Engineering/Scientific Calculator, Black (Latest Model released August 2015)

The New Classroom Standard With High-resolution LCD Technology

A new high-performance scientific that has higher resolution to increase the amount of information to be displayed and super-fast calculations for high-stakes testing or for performing the most advanced mathematics.

It’s new high resolution LCD screen allows for more information for applications like Spread-sheets and 4X4 matrix calculations. This calculator has a comprehensive set of advanced calculations for integration & differential calculations, along with vector and inequality calculations. For the middle and high school grades, basic spreadsheet functionality has been incorporated, ratio and statistical functionality, down to ratio calculation and prime factorization.

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Casio ClassWiz FX-991EX Engineering/Scientific Calculator, Black


  • Original Casio ClassWiz FX-991EX Calculator
  • Dual Power- Solar Powered + Battery Backup (LR44 Button Cell Battery Included)
  • High Resolution Display (Large LCD Display)
  • QR Code Functions
  • Metallic keys
  • Spreadsheet model
  • Natural Text book display
  • Numeric Integration/Differentiation
  • Simultaneous and Polynomial Solver

  • High-resolution LCD
  • Solar+Battery
  • Natural Textbook Display
  • QR code Generation
  • Intuitive icon display
  • Interactive format
  • Easy-to-understand key notation
  • High-speed calculation
  • Visualization with graphs
  • 552 functions
  • Comes with new slide-on hardcase

Other Tech Specs

  • Natural Textbook Display
  • Numeric Integration/Differentiation
  • Simultaneous and Polynomial Solver
  • Prime Factorization
  • Matrix and Vector Calculations
  • Complex Number Calculations
  • Summation Notation
  • 47 Built-in Constants
  • 40+ Unit Conversions
  • 2-Function Table of Values [f(x), g(x)]
  • Logarithm of Any Base
  • Combinations and Permutations
  • Linear, Quadratic, Logarithmic, Exponential, Power and Inverse Regressions
  • Simplify Fractions and Roots
  • Variable and Statistical Lists
  • Converts Between Standard Form and a Decimal Approximation
  • Random Integer Generator
  • Review/Edit Previous Entries
  • 9 Constant Memory Locations
  • Coordinate Transformation
  • Table Function for f(x) and g(x)
  • Spreadsheet Calculations
  • Base-n Calculations
  • Equation Calculations
  • Inequality Calculations
  • Ratio Calculations
  • QR Code Generation for Graphical Representation
  • Engineering Symbol Calculations

Product Details

  • Product Dimensions: 9.1 x 5.6 x 1.1 inches ;
  • Shipping Weight: 7.2 ounces
  • Item model number: FX-991EX
  • Batteries 1 LR44 batteries required. (included)

Product SKU: PPP-MKP-6TBB68I7

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