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Section: Software
Pari/Gp
Participants : Karim Belabas [correspondant] , Bill Allombert, Henri Cohen, Andreas Enge.
http://pari.math.u-bordeaux.fr/
Pari/Gp is a widely used computer algebra system designed for fast computations in number theory (factorisation, algebraic number theory, elliptic curves, ...), but it also contains a large number of other useful functions to compute with mathematical entities such as matrices, polynomials, power series, algebraic numbers, etc., and many transcendental functions.
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Pari is a C library, allowing fast computations.
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Gp is an easy-to-use interactive shell giving access to the Pari functions.
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gp2c , the GP-to-C compiler, combines the best of both worlds by compiling Gp scripts to the C language and transparently loading the resulting functions into Gp ; scripts compiled by gp2c will typically run three to four times faster.
2011 has seen the release of the next major stable version, 2.5, ending the 2.3 release series started in 2007.