Easy-to-operate, high-definition 3D Graph provides visual support for mathematical exploration.

fx-CG50 has intuitive operability and exploring features, ideal for mathematics learning.

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OS Update Information
Click here to check the latest OS Ver3.40

Python function is updated.

1 Easy and Intuitive operability

Intuitive operability and G-Solve features make it easy to use the features of fx-CG50.

So you can spend less time teaching how to use graphing calculators (, and more time teaching mathematics).

1Intuitive operation

The user-friendly Icon menu, Function keys and Interactive format enable intuitive operation.

Function keys

Example

Solve the Polynomial equation.
x² + 2x + 1 = 0
The solution is
x = -1

Interactive format
Solution

2G-Solve feature

Use the G-Solve feature to easily solve problems involving intersections, roots, and integration.

Find the point of intersection of two graphs by simply pressing the 'G-Solv' key.

2 Essential functions for learning all in one

Graphing calculators have a variety of functions covering from primary to higher education. Students can cultivate mathematical thinking through Graph functions operated by themselves.

1Graphing function

Graph

Inequality Graph
Polar coordinate graph

3D Graph

Z=graph
Rotating body graphs

Learn mathematics more deeply using Explore feature

Students find answers in different ways.
For example, students can use either Graph, Equation, or Matrix function to solve the simultaneous equations below.

Example

Solve the simultaneous equations.
{y = xy = -x + 2
The solution is
x = 1
y = 1

1. Using Graph

Input Equations
Intersection coordinates

2. Using Equation calculations

Select equation
Solution

3. Using Matrix calculations

Input matrix A
Matrix calculation

Learn 3D Graphs more deeply using Explore feature

It’s difficult to understand 3D graphs used in textbooks.
The 3D Graph feature of the fx-CG50 makes it easy to draw and explore 3D graphs. This feature promotes mathematical understanding of 3D graphs and helps in learning solid figures.

1. Draw and display 3D Graph

3D graphs can be drawn in various ways.

1) Using templates

It’s easy to draw 3D graphs using templates. (*An industry-first feature)

3) Parametric graphs

4) Rotating body graphs (① around X-Axis, ② around Y-Axis) *An industry-first feature

Rotating body graphs can be drawn in two ways (rotating around X-Axis or Y-Axis).

2. Draw and display up to three 3D graphs

Recognize combinations of 3D graphs and interactive relationships between two or three graphs mathematically.

Cylinder and lane expressions

3. Investigate the relationship between expressions and 3D graphs

3D Graph

Select EXPRESS, VECTOR, or POINTS format when inputting expressions of 3D graphs.

VECTOR format

4. Explore 3D graphs mathematically

These functions are effective in exploring 3D Graphs geometrically.

1) Viewing from various directions

①Zoom in and zoom out ②Rotation vertically and horizontally ③Cross section ④X-axis, Y-axis, Z-axis view.
These functions are effective in exploring 3D graphs geometrically.

②

Horizontal rotation

④

X-axis view

2) Tracing of graphs *An industry-first feature

Explore the coordinates on the surface of 3D graphs (all kinds) by using the cursor keys to move the trace pointer.

3) Intersection between graphs *An industry-first feature

Explore the intersection (coordinates, line) between 3D graphs (line and line, line and plane, plane and plane).
Expression of the intersection line or the coordinates of intersection

4) Relation between graphs *An industry-first feature

Explore the relationship (parallel, orthogonal, etc.) between 3D graphs (line and line, line and plane, plane and plane).

*Based on CASIO information as of August 2017

3D Graph Samples

2. Parametric graphs

Example 1

Examine intersections between lines, planes and spheres.

Effective learning with 3D Graph

1. Draw and display 3D Graph

Students get the possibility to visualize the most important intersections between lines, planes and spheres: The intersection point, line or circle. This can be very helpful for them to develop solution strategies.

Additionally different input methods are used in all these examples.

Definition by vector, definition by equation.

Students can view graphs from various angles, and explore the intersection between 2 objects visually by themselves.

Example 2

Examine the relationship between lines and planes and their intersections.

Teachers and pupils can study the relationship between lines and planes and can examine their intersections.
Intersection : Intersection point, intersection line or Not Found, etc.
Relation : Intersection, Parallel, Orthogonal, or Skewed lines etc.

2Other functions

Scientific calculations

Basic function
Fractions, Square roots Exponents, Logarithms and Trigonometric functions
Algebra
Complex number calculations and Matrix calculations
Calculus
Differentiation calculations and Integration calculations

Statistics

Pie Chart
Linear Regression

Geometry

Apollonius Circle
Triangle and circle

Programming language 'Python'

The fx-CG50 comes built-in with Python, a programming language used in the development of Internet search engines, social media sites, robots, etc.

Python conceptual diagram

Learning algorithmic thinking with Python*

Python is attracting attention in the field of education as a learning tool that cultivates algorithmic thinking and has been adopted for use in textbooks.

*Python is a registered trademark of the Python Software Foundation.
Python mode supports a version of MicroPython Version 1.9.4, which has been adapted to run on this calculator. Please note that MicroPython is different from the Python that runs on a computer.

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Example

Try to program in Python and explore by inserting various values.

By Python

3 Extensive and advanced features

Data-logger can be used with graphing calculators and is effective for both mathematics education and science and te

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