Merge pull request #36 from KellyBlack/Dev

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Merge pull request #35 from CarrieRider/Dev

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Merge pull request #37 from CarrieRider/Dev

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Merge pull request #33 from KellyBlack/Dev

Added an example of generating random numbers from a normal distribution in a c program.
made formulas for the confidence interval
Merge pull request #39 from CarrieRider/Dev

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Unfixed bifurcation and Milstein2D
Merge pull request #34 from TatyaniaM/Dev

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Merge pull request #33 from CarrieRider/Dev

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