Calc98 is a powerful scientific calculator and mathematics tool for Windows and other platforms. It includes a wide range of features, including a scientific calculator, graphing functions, unit conversions, equation solving, and more. Calc98 can be used for everyday calculations, as well as more advanced math and science projects. It is designed to be intuitive and easy to use, with a comprehensive help system for when users need additional guidance. Calc98 also includes a library of over 400 mathematical formulae and functions, and users can create their own functions and save them for future use.
Discontinued XCALC is now a DEAD project per home page, but is still downloadable.