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  Standard Deviation Calculator 23 Jan 15

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  QuickFacts Home Edition 29 Oct 15

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  FAS Calculator 24 Sep 15

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  Fraction Shape-Up 27 Oct 15

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  Function Grapher 31 Dec 14

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  Science Teacher's Helper 23 Sep 15

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  Abacus 23 Sep 15

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  Visual Matrix 31 Dec 14