More than 1.8 million individuals use Mathcad to perform, document, and share calculation and design work. The unique Mathcad visual format and scratchpad interface integrate standard mathematical notation, text, and graphs in a single worksheetùmaking Mathcad ideal for knowledge capture, calculation reuse, and engineering collaboration. Mathcad lets you work with updatable, interactive designs, allowing you to capture the critical methods and values behind each of your engineering projects.