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The leaning tower of Piezo
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For the math teacher, there is a myriad of tools at her disposal to teach the class using graphinc calculators. (link) However, these solutions leave out an important element: the buttons one needs to press to get somewhere.
Inspired by an already baked idea: Big Poster of Graphing Calculator, why
not just make a giant calculator, wall-mountable, where the teacher can demonstrate to the class with minimal confusion.
TI Presentation tools
[Baker^-1, Oct 04 2004]