30 Free Web Tools and Open Source Software for Students

"Free Web-Based and Open Source Software Mathematics and Modeling Tools:

"15. GNU Octave is an open source high-level interpreted language intended for numerical computations. It provides capabilities for the numerical solution of linear and nonlinear problems, and for performing other numerical experiments. GNU Octave also provides extensive graphics capabilities for data visualization and manipulation. The current version is Version 3.4.0 and it is available for Linux, Mac OS X and other projects have contributed to a Windows binary distribution of Octave and a binary distribution of Octave for Sun systems. There is also a collection of contributed packages for Octave available.

"16. Graphing Calculator from e-Tutor is an online Web tool that lets students enter functions of x using a standard mathematical format. Students simply type one or more equations into the Graph box on the site to use the graphing calculator.

"17. Mathway is an online tool that provides students with the tools they need to solve their math problems. Mathway solves problems from the following subjects: Basic Math, Pre-Algebra, Algebra, Trigonometry, Precalculus, Calculus and Statistics.

"18. Sage is a free open-source mathematics software suite system licensed under the GPL. It combines the power of many existing open-source packages into a common Python-based interface. Sage mathematical software is designed for research and teaching. It is a viable free open source alternative to Magma, Maple, Mathematica and Matlab."

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