InquireB allows complex unit conversions, quick retrieval of physical data, arbitrary function evaluation, and more. It can function in a desk accessory mode in the forn of a small floating window, or as a standalone application. All the information it uses is contained in simple to edit XML files installed in you Application Support folder. All instructions are contained in the application. Run the XML installer and then launch InquireB, and you will be given a comprehensive introduction to its use.