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  Unit Converter Portable 3 Nov 15

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  Periodic Table (freshney.org) 5 May 15

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  Spekwin32 4 Dec 15

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  Dr. Regener Sun-Moon-Calendar 28 Apr 18

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  Radioactive Decay Calculation Applet 29 Oct 15

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  A.D.A.M. Interactive Anatomy 29 Oct 15

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  MoSS 22 Jan 15

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  Chemix 11 Jul 15