![]() ![]() If you would like to use GeoGebra to do an in-class demonstration, you will need a tablet or a computer that is connected to a projector. The software, app, and on-line version of the applications are available in English and French (as well as many other languages). This version includes all of the same features as the desktop software and tablet, but has a different interface. If you use a device that is connected to the Internet, you can also use the online version of GeoGebra, which can be used without having to download the software. For this reason, it is better to download GeoGebra to a computer or a laptop, if possible. Since this time, little functionality has been added. At the initial time of writing in late 2015, only the ‘algebra’ and ‘graph’ functions were available. The app has all the same features as the GeoGebra software for desktops. The GeoGebra app is available for free on tablets (running Windows, iOs or Android). The GeoGebra software can easily be installed for free on any computer (running Windows, Mac OS X or Linux). The software allows for a great deal of malleability with the data that students are working on, while providing a visual support that facilitates both the teacher’s work and the students’ learning. You can cover linear regression all the while making a prediction (evaluation) of the data. GeoGebra also allows you to student different statistical laws in detail. The statistical menu in GeoGebra allows you to view different graphs for a data set: Additionally, the different linear regression equations are easy to view. GeoGebra allows you to calculate the correlation and determination coefficients and in an efficient and intuitive manner. Students can use the software to illustrate a link between 2 series of quantitative data in a scatter point style graph. It can be used to illustrate regression and linear correlation.
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