This option will reset the home page of Epistemic Games restoring closed widgets and categories.
Shaffer, D. W. (1995). Exploring trigonometry with the Geometer’s Sketchpad. Berkeley: Key Curriculum Press.
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This post was written by David Williamson Shaffer on Saturday, October 14, 1995. David Williamson Shaffer has written 289 posts on this blog.
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