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General purpose Computer algebra system by Bernard Parisse released
under GPLv3. The french documentation by Renee De Graeve is for non
commercial use only.
it consists of:
- a 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, sommation, ...). The library can be configured to
accept Maple or TI syntax to ease the transition for users of
these systems.
- a command line interpreter (icas or giac). It can be called from texmacs.
- a 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.
Bernard Parisse is the main author of the CAS of HP40G and HP49G calculators.
This port is statically linked against snapshots of FLTK-1.3.x
(http://www.fltk.org) and of CoCoALib (http://cocoa.dima.unige.it/cocoalib)
WWW: http://www-fourier.ujf-grenoble.fr/~parisse/giac.html
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