Book excerpt: Essential Mathcad for Engineering, Science, and Math w/ CD, Second Edition, introduces the most powerful functions and features of the software and teaches their application to create comprehensive calculations for any quantitative subject. Examples from a variety of fields demonstrate the power and utility of Mathcad's tools, while also demonstrating how other software, such as Excel spreadsheets, can be incorporated effectively. A companion CD-ROM contains a full non-expiring version of Mathcad (North America only). This new edition features a new chapter that introduces the basics of Mathcad to allow the reader to begin using the program early; applied examples and problems from a wide variety of disciplines; and more thorough discussions of commonly used engineering tools – differential equations, 3D plotting, and curve fitting. Its simple, step-by-step approach makes this book an ideal text for professional engineers as well as engineering , science, and math students. *Many more applied examples and exercises from a wide variety of engineering, science, and math fields* New: more thorough discussions of differential equations, 3D plotting, and curve fitting.* Full non-expiring version of Mathcad software included on CD-ROM (North America only)* A step-by-step approach enables easy learning for professionals and students alike