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  Logic Minimizer 15 Apr 15

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  Engauge Digitizer 11 Apr 15

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  MagicPlot Pro 23 Jan 15

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  Math toolkit 21 Jan 15

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  Random Number Generator 27 Jan 15

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  Timez Attack 27 Apr 17

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  The Geometer's Sketchpad 3 May 20

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  Panoply 25 Jan 15