giac

Giac is a Computer Algebra System made by Bernard Parisse. It provides features from the C/C++ libraries PARI, NTL (arithmetic), GSL (numerics), GMP (big integers), MPFR (bigfloats) and also - Efficient algorithms for multivariate polynomial operations (product, GCD, factorization, groebner bases), - Symbolic computations: solver, simplifications, limits/series, integration, - Linear algebra with numerical or symbolic coefficients. - Partial Maple and TI compatibility. - It has interfaces in texmacs and sagemath. It consists of: - a C++ library (libgiac) - a command line interpreter (icas/giac) - an FLTK-based GUI (xcas) with interactive geometry and formal spreadsheets.

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