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  Signature Recognition System 15 Apr 15

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  Googol+ 9 Dec 14

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  UnitClassic-D 15 Apr 15

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  Mini Calculator 21 Nov 14

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  Compact Scientific Calculator 27 27 Jan 15

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  Gender Recognition System 15 Apr 15

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  Graphmatica 10 Apr 15

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  StatsEZ 9 Dec 14