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 Compiler
The Stratego Octave Compiler is a compiler for the Octave language. It compiles Octave code to C++ code which uses liboctave.