It will plot points, graph the equation, show you the surface of revolution when you revolve the equation, and calculate the volume. Winplot, a FREE downloadable graphing utility, will show you a surface of revolution. Some math lesson plan ideas and how to use sketchup , free, can run easily from web using Flash National Library of Virtual Manipulatives: Algebraĭozens of interactive manipulatives designed to accompany the National Council of Teachers of Mathematics (NCTM) standards and help students visualize mathematical relationships and applications. Tutpup - lots of levels, includes algebra
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