Casio FX-991EX Original Scientific Calculator Classwiz 552 function Spreadsheet

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Casio FX-991EX Scientific Calculator Classwiz

New in box

Features overview

The ClassWiz series with high-resolution LCD and many other extras 

The Classwiz series offers a new high-resolution LC display with 192×63 pixels and a resolution that is four times higher than that of the familiar displays of the FX-ES Plus series. In addition, the new ClassWiz series boasts new hardware with a faster processor and double the memory size.

Functions & general information


There is also a spreadsheet which allows the user to perform basic spreadsheet calculations on a scientific calculator for the first time. In addition, results can be viewed on a smartphone or tablet thanks to the newly available QR code¹ function.

Detailled Specification:

  • High-resolution LC display with 192 x 63 pixels
  • Natural-V.P.A.M. – Natural display
  • 552 functions
  • Icon menu
  • Spreadsheet
  • QR code function¹
  • Solving equations and systems of up to four equations
  • 4X4 matrices
  • Vector calculations
  • Integration calculations
  • Differential calculations
  • Probability distribution
  • Calculation with technical symbols
  • Undo-Function
  • Complex number calculation
  • Base-N calculations
  • Equation calculations
  • Inequality calculation
  • SUM calculation
  • 47 wcientific constants
  • 40 metrixc conversions
  • Automatic parenthesis
  • 24 Parentheses level
  • Variable memory (9)
  • Trigonometric and invers trigonometric functions
  • Hyperbolic and invers hyperbolic functions
  • Power / Power Root calculations
  • logarithmic calculations
  • Exponential calculations
  • Root calculations
  • Combinatoric and Permutation
  • Prime factorization
  • Random Integer
  • Conversion of polar coordinates into rectangular coordinates and...

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