This Electronic Statistical Textbook (Statistics Homepage) offers training in the understanding and application of statistics. The material was developed at the StatSoft R&D department based on many years of teaching undergraduate and grad...
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An introductory-level textbook in statistics covering descriptive and inferential statistics. Each chapter has links to related texts, instructional demos, and free statistical analysis programs. Author is David M. Lane, Rice University dep...
Sage is a free open source mathematics software system spanning a huge range of mathematics including algebra, calculus, combinatorics, number theory and graph theory.
Maxima is a fairly complete computer algebra system written in lisp with an emphasis on symbolic computation. It is based on DOE-MACSYMA and licensed under the GPL. Its abilities include symbolic integration, 3D plotting, and an ODE solver.
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