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  Advanced Date Time Calculator 11 Apr 18

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  BODMAS Calculator 1 Jan 15

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  Super Calculator 8 18 Jan 18

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  Advanced GPA Calculator 27 May 15

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  Command Line Calculator 1 Jan 15

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  Process Engineering Calculator 30 Nov 16

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  Sahand Engineering Toolbox 31 Dec 14

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  Utilities by Vision 26 Feb 15