books.google.be - With IntellisimTM, a powerful interactive math engine developed by Intellipro, Inc., you can use the CD-ROM to quickly perform dynamic calculations and analysis on over 100 of the most popular equations in this book. If you're a designer, project engineer, plant engineer or engineering student, you will...http://books.google.be/books/about/Engineering_Formulas_Interactive.html?id=XBm0kUqW4rcC&utm_source=gb-gplus-shareEngineering Formulas Interactive