Last updated on 12 February 2025
There is no shortage of online recourses to teach mathematics. It is arguably even one of the most prominent subjects on the web. The most difficult thing is to find the rare pearls in this avalanche of tools to create activities, games, exercises and other interactive simulations.
Here are three essential tools for online simulations and graphing calculators. Three amazing and free graphing calculators.
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Geogebra
If only one were to be chosen, it would be this one. Geogebra is a great project around mathematics education that brings together a large community of teachers and enthusiasts. Geogebra is mainly a dynamic mathematics software, for all levels that integrates into a single tool: geometry, algebra, spreadsheets, graphical representations, statistics and differential calculations.
Geogebra also offers thousands of resources created by other teachers and software that can be used online or downloaded to Mac or PC, tablet or smartphone.
Geogebra is available in many languages including French. The site also offers many particularly well-made tutorials to make it easier for you to get started with the tool. That's great.
Link: Geogebra
Desmos Graphing Calculator
Another powerful tool to use freely on any browser. A serious alternative to Geogebra. There is not much that Desmos does not know how to do, including creating animated graphic representations.
If you work on Chrome, Desmos offers you an extension to install in your browser for even easier everyday use. A serious and complete tool completely free and without advertising.
Link: Desmos Graphing Calculator
Graph.tk
For occasional use or for simple needs, you can opt for this third alternative. Graph.tk does not burden itself with unnecessary steps. By going to the site, you immediately arrive on the calculator. Simply click on the "+" button to create a new equation. The vocabulary is simple "/" for "^" fractions for "*" exponentials for multiplications, etc. A free open source calculator for your everyday needs.
Link: Graph.tk
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