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  General Mission Analysis Tool (GMAT) 21 Nov 14

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  MvStudium 22 Sep 15

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  SpeedCrunch Portable 16 Apr 15

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  Math-o-mir 10 Jan 17

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  SigmaGraph 9 Dec 14

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  Panoply 25 Jan 15

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  Function Grapher 31 Dec 14

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  Free Percentage Calculator 1 Jan 15