GF2X:  a C/C++ software package containing routines for fast arithmetic in GF(2)[x] (multiplication, squaring, GCD) and searching for irreducible/primitive trinomials.

@sagemath/gf2x

@sagemath/gmp

MPC: arithmetic of complex numbers with arbitrarily high precision and correct rounding of the result

@sagemath/mpc

MPFR: a C library for multiple-precision floating-point computations with correct rounding.

@sagemath/mpfr

MPIR: Multiple Precision Integers and Rationals

@sagemath/mpir

@sagemath/ntl

PARI/GP is a widely used computer algebra system designed for fast computations in number theory.

@sagemath/pari

PARI/GP is a widely used computer algebra system designed for fast computations in number theory.  This is a WASM version of Pari linked with GMP for extra speed.

Theory Packages