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General purpose computer algebra system released under GPLv3. French
documentation by Renee De Graeve is for non-commercial use only. The
package consists of:
- C++ library (libgiac). It is build on C and C++ libraries: PARI,
NTL (arithmetic), CoCoA (Groebner basis), GSL (numerics), GMP
(big integers), MPFR (bigfloats) and provides algorithms for basic
polynomial operations (product, GCD) and symbolic computations
(simplifications, limits/series, symbolic integration, summation,
...). The library can be configured to accept Maple or TI syntax
to ease the transition for users of these systems.
- Command line interpreter (icas or giac). It can be called from
texmacs.
- FLTK-based GUI (xcas). It is a GUI for symbolic computation with
several modules added: 2-d and 3-d graphics, dynamic 2-d and 3-d
geometry (exact or numeric), spreadsheet, programming environment.
WWW: http://www-fourier.ujf-grenoble.fr/~parisse/giac.html
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