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GeoGebra - Tool to create mathematical visualisations





sukhjinder
http://www.geogebra.org/cms/is a free and opensource tool to create interactive mathematical visualizations which can aid in teaching mathematics at school level. Teachers can create dynamic problems which students can interact and play with, so as to better understand the concepts.
The software is actively backed by a global community and is supported in popular LMS Moodle.

The animations developed by global teachers/educators/contributors are freely available at http://www.geogebratube.org/
therimalaya
Yes, this is a very good software. I've used it some time ago. It is free and one can use it without installing on the desktop. It is a java application and can be used in Web.

http://www.geogebra.org/webstart/geogebra.html
nikolaskaralis
nice!
You can also check GapMinder ( http://www.gapminder.org/%C3%A2%E2%82%AC%C2%9D ), a data visualization app for Mac as well as GraphViz (http://www.graphviz.org/%C3%A2%E2%82%AC%C2%9D ).
arnaudh
Indeed, a very good software. I often used it when I was a high school maths teacher.
codegeek
I have used it occasionally. It's a good software.
Bikerman
If you really want some power then Sage Maths is pretty good. Maybe not quite as intuitive as Mathematica but its FREE and it has a wealth of library and plugin material available to do some pretty serious mathematics.
For those who don't know this sort of package (Mathematica by Wolfram, MatLab by MathWorks and the OpenSource SAGE Maths are probably the best known and most widely used) they are a little like calculators on steroids. #
Rather than simply punching in numbers, you can punch-in complex formulae, equations, propositions, conjectures, theorems etc, using standard mathematical notation - including calculus, full number theory including set/group representation, lie methods, 2-d and 3-d graphing/plotting, and standard programming structures (loops/recursion, comparison/decisions etc).
The software will then use the rules of maths to simplify, expand, rearrange, cancel, substitute, iterate, plot or whatever else you instruct it to do.
Here's me messing around to show a bit of what is possible:

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