GEOGEBRA INTERACTIVE ONLINE VERSION
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Welcome to the amazing world of GeoGebra. GeoGebra is a free multi-platform dynamic geometry system for learning and teaching via the internet. It has received several educational software awards in Europe and the USA.
GeoGebra's major use is for education in secondary schools that want to join geometry, algebra and calculus. You can do constructions with points, vectors, segments, lines, and conic sections. GeoGebra allows you to enter a function, place points on the function, construct secant lines with points on the function, etc. etc. etc. GeoGebra has the ability to deal with variables for numbers, vectors and points, find derivatives and integrals of functions and offers commands like Root or Extremum. Wow! This is an amazing interactive tool and it is here at Deering Math and ANYONE can use it for free!
Of course there is a learning curve in the use of Geogebra. But the effort put in will return knowledge exponentially. That's quite a fair exchange. Also there are a number of GeoGebra modules that can be downloaded at the GeoGebra Wiki via the link above. And if you get stuck there is also the very active GeoGebra Forum which you can access via the link above. The forum is VERY RESPONSIVE TO THE NEEDS OF BEGINNERS and it's where you can meet some great people from all over the world and that is really cool.
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