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  HDFView 23 Jan 15

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  CLC Main Workbench 26 Jan 15

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  TAA Mohr's Circle 2D 26 Jan 15

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  ACD/ChemSketch Freeware 3 May 20

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  Optical Lenses 26 May 15

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  OpenRocket 15 Apr 15

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  Electric Field 23 Sep 15

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  Voltage Drop Calculator 30 Oct 14