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  NeuroXL Package 12 Feb 17

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  Quick Draw 27 May 15

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  Logic Minimizer 15 Apr 15

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  GraphExpert Professional 8 Mar 17

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  Free Universal Algebra Equation Solver 30 Nov 16

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  Engauge Digitizer 11 Apr 15

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  EASY-FIT ModelDesign 5 May 15

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  Super calculator 7 May 15