*[Concepts & Applications of Inferential Statistics](http://vassarstats.net/textbook/)
*[Concepts & Applications of Inferential Statistics](http://vassarstats.net/textbook/)
*[Differential Equations](http://tutorial.math.lamar.edu/pdf/DE/DE_Complete.pdf) - Paul Dawkins
*[Differential Equations](http://tutorial.math.lamar.edu/pdf/DE/DE_Complete.pdf) - Paul Dawkins
*[Discrete Mathematics](http://home.iitk.ac.in/%7Earlal/book/mth202.pdf)(PDF) - Dr. Arbind K Lal, IIT Kanpur
*[Elementary Differential Equations](http://ramanujan.math.trinity.edu/wtrench/texts/TRENCH_DIFF_EQNS_I.PDF) - William F. Trench
*[Elementary Differential Equations](http://ramanujan.math.trinity.edu/wtrench/texts/TRENCH_DIFF_EQNS_I.PDF) - William F. Trench
*[Essentials of Metaheuristics](http://cs.gmu.edu/~sean/book/metaheuristics/) by Sean Luke
*[Essentials of Metaheuristics](http://cs.gmu.edu/~sean/book/metaheuristics/) by Sean Luke
*[Introduction to Probability](http://www.dartmouth.edu/~chance/teaching_aids/books_articles/probability_book/book.html) - Charles M. Grinstead and J. Laurie Snell
*[Introduction to Probability](http://www.dartmouth.edu/~chance/teaching_aids/books_articles/probability_book/book.html) - Charles M. Grinstead and J. Laurie Snell
...
@@ -377,8 +378,9 @@ Original Source: [Free Programming books](http://stackoverflow.com/revisions/392
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@@ -377,8 +378,9 @@ Original Source: [Free Programming books](http://stackoverflow.com/revisions/392
*[Introduction to Statistical Thought](http://www.math.umass.edu/~lavine/Book/book.html) - Michael Lavine
*[Introduction to Statistical Thought](http://www.math.umass.edu/~lavine/Book/book.html) - Michael Lavine
*[Kalman and Bayesian Filters in Python](https://github.com/rlabbe/Kalman-and-Bayesian-Filters-in-Python)
*[Kalman and Bayesian Filters in Python](https://github.com/rlabbe/Kalman-and-Bayesian-Filters-in-Python)
*[Knapsack Problems - Algorithms and Computer Implementations](http://www.or.deis.unibo.it/knapsack.html) - Silvano Martello and Paolo Toth
*[Knapsack Problems - Algorithms and Computer Implementations](http://www.or.deis.unibo.it/knapsack.html) - Silvano Martello and Paolo Toth
*[Lecture Notes of Linear Algebra](http://home.iitk.ac.in/~psraj/mth102/lecture_notes.html)- (PDF) Dr. P. Shunmugaraj
*[Lecture Notes of Linear Algebra](http://home.iitk.ac.in/~psraj/mth102/lecture_notes.html)(PDF) - Dr. P. Shunmugaraj, IIT Kanpur