InquireB2 allows complex unit conversions, quick retrieval of physical and astronomical data, arbitrary function evaluation, and more. It can function in a desk accessory mode or as a standalone application. All the information it uses is contained in simple to edit XML files installed in the users Application Support folder. All instructions are contained in the application. Run the XML installer and then launch InquireB2, and you will be given a comprehensive introduction to its use. InquireB2 is a beta, but the B stands for Basic. The full application, will add Math, Physics and Astronomy formulas, it is not currently available.