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  Euklid DynaGeo 6 May 15

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  MatheAss 3 May 15

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  BitMaker 22 Jan 15

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  Monte Carlo PCA for Parallel Analysis 27 May 15

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  Algebra Tile Factris 28 Sep 17

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  Function Grapher 31 Dec 14

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  FAS Calculator 24 Sep 15

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  The Geometer's Sketchpad 3 May 20