GNU Octave is a high-level language, primarily intended for numerical computations. It provides a
convenient command line interface for solving linear and nonlinear problems numerically, and for
performing other numerical experiments using a language that is mostly compatible with Matlab. It
may also be used as a batch-oriented language. Octave has extensive tools for solving common
numerical linear algebra problems, finding the roots of nonlinear equations, integrating ordinary
functions, manipulating polynomials, and integrating ordinary differential and
differential-algebraic equations. It is easily extensible and customizable via user-defined
functions written in Octave's own language, or using dynamically loaded modules written in C++, C,
Fortran, or other languages.