With over a million users worldwide, Mathcad is today's standard for technical calculation. In science, engineering, design and economics; in industry, research and education; wherever figures need to be computed, you'll find Mathcad.That's because Mathcad is the complete, integrated environment for performing, documenting and communicating technical calculations. It gives you the tools you need sample data and build models, to document and communicate your analysis.Mathcad is ideal for formulating ideas, exploring problems, evolving solutions and sharing results. Within a Mathcad work-sheet you can perform 'live' numeric or symbolic calculations, add graphics and animations, annotate and format text. When you need to change a variable, Mathcad updates your results, formulae and graphs - instantly. You get instant feedback as you try different approaches, so you can experiment with what-if scenarios, establish limits, test results and make accurate decisions.