a beautiful free online
Post date: Oct 25, 2012 2:56:57 PM
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"Desmos is an amazing and free math resource. To call it a graphing calculator is almost insulting, as it is a class above the graphing calculators most students are using. This HTML5 based tool runs great on any modern web browser, and even has an on screen keyboard for use on tablets." Educator +James Eichmiller