You can write your equations , using real mathematics notation, anywhere on Mathcad's unique live worksheet. Or click on the palettes and select from hundreds of maths symbols, operators and Greek letters. You can visualize your dataor solutions by creating graphsand animations.

You can even add text annotations above, below or next to your equations — anywhere you want. Then, if you want to change a variable, go ahead — and see the new results calculated instantly!It's a freeform,interactive environment that's perfect for formulating ideas, setting up problems and evolving solutions — and sharing both the process and the results through printed documents, e-mail and the World Wide Web . And if you need help, new, online Quick Sheets are there to take you through a wide variety of common tasks — from graphing a functionto solving simultaneous equationsto analyzing variances.

The usability you need to get started. The power you need to finish the job.

Everything about Mathcad — from the graphic interface to the familiar Windows look and feel — has been designed with usability in mind. Whether you're working within Mathcad's interactive environment, or integrating your Mathcad worksheets with other Windows applications, Mathcadis a flexible, easy-to-use tool that fits the way you work. But it's also packed with calculating power — the kind you need to formulate, solve and document all kinds of problems.

Mathcad gives you the power to deal with a huge range of technical problems, from the simple to the very complex. Solve simultaneous equations, compute derivatives and integrals, perform Fast Fourier Transforms, carry out hypothesis testsand simulations . Mathcadprovides you with trigonometric, hyperbolic, exponentialand Bessel functions. It lets you work with scalars, vectorsand arrays . It even supports data analysiswith curve fittingand data smoothing functions . And every step of the way, Mathcad keeps track of your use of units, automatically checking for consistencyand converting units of measurement . Mathcad 7 fully implements SI units , as well as MKS, CGS and customary US/British units.

It's easy to graph your data too, with a wide range of interactive 2D and 3D plots to help you visualise data, systems and solutions. Mathcad 7's new QuickPlot feature lets you graph an expression instantly, and it's just as simple to edit and change your graphs. You can even make animations that bring your work to life!

Because Mathcad's interface is live, it gives you the feedback you need to make accurate decisions from the first formulation to the final presentation.

When you first start a project, Mathcad offers the perfect environment for exploring problems, experimenting and formulating ideas . That's because it lets you change variables and other parameters — and instantly shows you the results, numerically as well as graphically. Because all your workings, all your formulae are clearly visible in the body of the document, it's easy to checkand validateyour work and track down any errors , so you (and your colleagues and customers) can have full confidence in your results . And once you've found the right solution, it gives you all the tools you need to analyse sample data, build models, test different scenarios, data sets or conditions . And once you've found the right solution, documenting your work is a breeze. With Mathcad , what you see on screen is exactly what appears in print (WYSIWYG). So all you have to do is add some headers, run the technical spell checker and print out your presentation-quality document . For full word processing capabilities, you can even export your worksheets to Microsoft Word, or to your Intranet or the Worldwide Web.

Share your work with unprecedented ease.

Mathcad 7.0is the ideal environment for discussing and sharing technical information . Using its built-in electronic mail capabilities , you can easily send Mathcad worksheets to colleagues across the corridor or across the globe. Links with the World Wide Web let you view and interact with live Mathcad worksheets on the Web — using the international language of mathematics. And Mathcad 7 integrates with your other desktop applications too. OLE2 lets you paste...link your Mathcad worksheet into Microsoft Word, PowerPoint or any other OLE compliant program. So it's easier to adhere to the format and output standards you require, easier to communicate your results to others. All of which means it's easier than ever to collaborate with co-workers and associates, as well as the worldwide community of technical professionals in industry, research and academia.