GeoGebra Features:
1. Completely free.
2. You can complete most simple operations with almost no help. Very easy to get started.
3. It is written directly based on JAVA program, so its dynamic web page output effect is very good.
4. There are many attributes of geometry, from color to line type to style.
5. Built-in conic sections (equations will be given at the same time), polar lines (inversion), tangents (can be circles, conic sections, functions), and derivation of functions.
6. Input box, you can directly enter various commands and functions, etc.
7. There is dynamic text, and the text changes as the graphics change.
8. Starting from GeoGebra 3.0, you can customize tools. You can specify input and output objects when drawing, and create your own drawing tools on the toolbar. You can see many beautiful patterns in the wiki of this website. And tools contributed by many people, such as Bezier curves, etc.
9. The wiki of the website represents an open idea, and more people can participate in it.
it works
it works
it works