This is OpenAxiom, the open scientific computation system. OpenAxiom is a free software for symbolic and algebraic computations. It offers an interactive environment, including an expressive programming language, a compiler, a large set of libraries (algebras) of interest to researchers and practitioners of computational sciences. OpenAxiom strives to support ubiquitous, advanced, high quality open source computer algebra on major operating systems, in particular major Unix variants, GNU/Linux variants, Windows, and handheld devices. It aims at being the open source computer algebra system of choice for research, teaching, engineering, etc. OpenAxiom will leverage existing mathematical software, in particular it will provide interface to mainstream programming languages. For information about building, installing, and using OpenAxiom, please refer to the file INSTALL. Enjoy, August 23, 2007 Gabriel Dos Reis College Station, Texas, USA.