[Discover] Normal distribution - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Normal_distribution (distribution normal statistics mathematics)
 [Discover] Tricks for Finding Limits- Teacher Tube http://www.teachertube.com/view_video.php?viewkey=437d40731901ae7fd909&page=6&viewtype=& ... (calculus math)
 [Discover] Matlab tips and tricks http://www.ee.columbia.edu/~marios/matlab/matlab_tricks.html (programming mathematics reference math)
 [Discover] Bayes' Rule http://www.cs.ubc.ca/~murphyk/Bayes/bayesrule.html (algorithms datamining science machinelearning)
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 [Discover] Trigonometry: Theorems, formula, rules and lessons http://www.mathwarehouse.com/trigonometry/ (math)
 [Discover] The On-Line Encyclopedia of Integer Sequences http://www.research.att.com/~njas/sequences/ (math reference tools search)
 [Discover] Collatz conjecture - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Collatz_conjecture (math)
 [Discover] Digital signal processing - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Digital_signal_processing (wikipedia research dsp science)
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 [Discover] Chi-square distribution - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Chi-square_distribution (mathematics zerber math distribution)
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 [Discover] John Allen Paulos Home Page http://www.math.temple.edu/~paulos/ (philosophy aethism books mathematics)