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Mathematics 21 Online
OpenStudy (mathteacher1729):

I was just giving a demo of http://www.geogebra.org , a fantastic piece of geometry and algebra graphing software which is FREE. I'll attach a few examples here.

OpenStudy (mathteacher1729):

Here is some graphing and some geometry. Enjoy!

OpenStudy (mathteacher1729):

Here is the page to download geogebra: http://www.geogebra.org/cms/en/installers

OpenStudy (anonymous):

can we see the attachments before we download the program?

OpenStudy (mathteacher1729):

Hi rsvitale, no prob. :) In the geogebra (.ggb) files you can click, drag, and zoom everything and see it change instantly. :)

OpenStudy (anonymous):

cool! I'll download this

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