MathCAD is desktop software for performing and documenting engineering and scientific calculations. Mathcad is designed to increase personal and organizational productivity - providing an easy-to-use whiteboard interface, instant recalculation, and an open architecture supporting .NET and native XML format. Mathcad combines a powerful computational engine, accessed through conventional math notation, with a full-featured word processor and graphing tools. Complete projects quickly with the help of expert documentation, sample applications and context-sensitive Help. Mathcad automates many tasks, including unit balancing and recalculation, saving you time and reducing errors. Calculate, model, and visualize your ideas