1. The user asks how to use GeoGebra. 2. GeoGebra is a dynamic mathematics software that combines geometry, algebra, and calculus. 3. To use GeoGebra, first open the software or visit the GeoGebra website. 4. You can input equations directly into the input bar to plot graphs or create geometric constructions. 5. For example, to plot a function, type the function like $y=x^2$ and press Enter. 6. You can use tools from the toolbar to create points, lines, circles, and other shapes. 7. GeoGebra also allows you to manipulate objects dynamically by dragging them. 8. For algebraic calculations, you can use the CAS (Computer Algebra System) view. 9. To learn more, GeoGebra provides tutorials and help resources within the software and online. 10. Practice by creating simple graphs and gradually explore more complex features.