At a glance

The fx-CG20 brings maths to life with the next generation of graphic calculator technologies; including high-resolution colour display with natural textbook display, innovative picture plot function enabling analysis of images and video, and an extensive range of graphic functions.


General Information
  Auto Power Off
3 Years Manufacturers Warranty
Dimensions (mm) 93(W) x 200 (L) x 27(H)
Weight 230g
Power Supply Batteries (4 x AAA batteries)
Design Plastic Keys
Additional Specifications Unlimited History: 255 bytes
Function List
7 System Languages Supported
Add-in Software System
Disk Space Program
Communication Calculator to Calculator (3-pin to 3-pin)
Calculator PC (USB)
Add-in communication
OS upgrade
Screenshot generation
Can be connected directly to Casio USB projectors
Pre-installed Econ2 (add-in)
Memory 61 KB RAM
Flash ROM 16 MB
Statistical Graphs
  List-based statistics
Box plot
Modified box plot
Distribution curve
Scatter plot/xy line
Med-med line
Linear/quadratic/cubic/quartic regression
Exponential/logarithmic/power regression
Trigonometric regression
Logistic regression
Copy function for regression equations
Trace function
Matrix Algebra
  Maximum Matrix Size: 255 x 255
Number Of Matrices: 27
Calculation Of Determinants
Calculation Of Inverse Matrix
Calculation of inverse matrix
Linear Equations (Max. 6 Unknowns)
Polynomial Root Calculation
Solve Systems Of Linear Equations
Equation Solver
Polynomial Equations (Max. Third-Order)
Calculations to the power of n
Statistical Calculations: Medial Values, Median, Sum
Scientific and Statistics
  Scientific applications with physical constants (ADD-in)
Calculations with scientific numerical notations
Cash-flow statement
Geometry (add-in): pre-installed
Basic Mathematical Functions
  Fraction Decimal Fraction Conversion
Solve (Interactive)
First and Second Derivative (Numerical)
Integration (Numerical)
Complex Functions
Functions and Features
  Pie and Bar Chart
Pre-installed geometry add-in
Pre-installed ECON2 data logging application
Graph Functions
Cartesian Coordinate System
Inequality graph and applications
X=constant graph
Parametric Functions
Graph Labelling
Value Table
Dynamic graphs
View window: X-dot parameter
4 different types of illustration for X-values
Ref- and Rref command lines for levels or reduced row level form
Natural V.P.A.M. natural input and output mode
Solve equations with integral, differential and probability functions
Ref and Ref commands for matrix diagonalisation
GcD and LCM function
Chi-square GOF function
Functions In Polar Coordinates
20 Graph Memory
Graphs Of Conic Section Functions And Coressponding Applications
Illustration Of Tangent, Normal And Inverse Function Of A Graph
Financial Mathematics Loans
Recursion Graph Recursion Parameters
Web Plotting
Zoom / Trace Functions Start position: centred
Direct trace entry
G-Solve (Graphic Calculation) Roots
Intersection points
Local minima and maxima
Definite integrals
X and Y value calculation
Split-screen display Graph and graph
Graph and value table
Graph of a value table
Graph and value table linked interactively
  Maximum list size: 999
Number of lists: 26 lists, 6 files
Lists with complex numbers
List designation

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Support Information