pari: Pari/GP (A computer algebra system)
pari: 
pari: PARI/GP is a widely used computer algebra system designed for fast
pari: computations in number theory (factorizations, algebraic number
pari: theory, elliptic curves...), but also contains a large number
pari: of other useful functions to compute with mathematical entities
pari: such as matrices, polynomials, power series, algebraic numbers, etc.,
pari: and a lot of transcendental functions.
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