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  KwikTrig 2 Nov 15

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  Visual Probability 31 Dec 14

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  Standard Deviation Calculator 23 Jan 15

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  UMS Math Editor 28 May 15

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  Abacus 23 Sep 15

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  Small Stella 9 Dec 14

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  Math Assistant 25 Oct 15

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  Extreme Scientific Calculator 22 Sep 15