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  Logic Minimizer 15 Apr 15

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  Extreme Scientific Calculator 22 Sep 15

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  AllerCalc 6 Dec 15

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  Desktop Calculator - DesktopCalc 15 Apr 15

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  NetMath 16 Apr 15

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  Visual Probability 31 Dec 14

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  Optical Character Recognition System 11 Apr 15

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  Abacus 23 Sep 15