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[[http://maxima.sourceforge.net/|Maxima]] is a system for the manipulation of symbolic and numerical expressions, including differentiation, integration, Taylor series, Laplace transforms, ordinary differential equations, systems of linear equations, polynomials, and sets, lists, vectors, matrices, and tensors. \\

[[http://www.gnu.org/software/octave/|GNU Octave]] is a high-level language, primarily intended for numerical computations. \\