Omega is a Computer Algebra System (CAS) Explorer accessible via the internet from desktop/laptop computers and mobile devices. Its underlying CAS engine provides the user with immense power in both algebraic and numeric computing. To use Omega, only a web browser is required. Omega user composes and submits mathematical query using a calculator-like graphical user interface. Upon submission, the query is processed by Omega's CAS engine, and the result is displayed in text or graphic formats. Using the built-in functions of the web browser, the output can be exported for further manipulation.