I've been interested in education for a long time, and when someone suggests that the software system I've been working on for 20 years is bad for education, I take it personally. So I was upset when a New Scientist magazine article "Physics Tool Makes Students Miss the Point", reported on a study by Thomas Bing and Edward Redish, "Symbolic Manipulators Affect Mathematical Mindsets", strongly implying that the study concluded that replacing paper-and-pencil calculations with Mathematica was educationally unsound.
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