A teaching tool that helps you visualize mathematics.
The Geometer's Sketchpad gives students at all levels—from third grade through college—a tangible, visual way to learn mathematics that increases their engagement, understanding, and achievement. Make math more meaningful and memorable using Sketchpad.
Elementary students can manipulate dynamic models of fractions, number lines, and geometric patterns. Middle school students can build their readiness for algebra by exploring ratio and proportion, rate of change, and functional relationships through numeric, tabular, and graphical representations.
Operating system:Windows XP / Vista / 7
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The Geometer's Sketchpad 5.06 
