Casio FX-991EX Individual Calculator


SchoolMart Part #: FX-991EX Brand:


A high-performance scientific calculator 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 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, Casio has incorporated basic spreadsheet functionality, ratio and statistical functionality, down to ratio calculation and prime factorization.

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

Additional information

Weight0.8 lbs