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  Measure 4 Jan 15

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  AxoGraph X 3 Jan 15

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  Golly 4 May 20

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  GeoGebra 22 Nov 14

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  MathBoard 9 Mar 15

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  The Geometer's Sketchpad 11 Dec 14

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  Where Is M13? 3 Jan 15

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  ATG Tempo 3 Jan 15