Related R Packages

There are several functions in base R for defferentiation, integration, solving system of equations, etc. E.g. solve, stats::D, stats::deriv, stats::integrate, stats::numericDeriv.
R package Deriv for symbolic differentiation, it allows user to supply custom rules for differentiation.
R package numDeriv for calculating numerical approximations to derivatives.
R package gmp and Rmpfr provide multiple precision arithmetic and floating point operations. They also include some special functions, e.g. Rmpfr::integrateR for numerical integration.
R package mpc available at R forge. It provides multiple precision arithmetic for complex numbers.
R package rSymPy provides an interface to 'SymPy' library in python via rJava.
R package Ryacas provides an interface to the 'Yacas' computer algebra system. It is easier to install compared to rSymPy.
R package mosaicCalc for differentiation and integration in R.

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