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Online reference and resources - web development, software programming, electrical formulas.

Mathwarehouse.com--a website dedicated to Math lessons, demonstrations, interactive activities and online quizzes on all areas of geometry, algebra and trigonometry.

Learn how to do just about everything at eHow. Expert Village is now a part of eHow, adding expert How To videos to eHow, the world

Free Online Math Calculators and Converters. Mathematics Calculation is made easier.

United States Faceters Guild Web Site

Get Math help from expert Math tutors online and solve your Math problems easily. TutorVista

The online showcase for special items available at the Tucson Gem and Mineral Show.

Precollege classroom science activities and worldwide collaborative science projects that have never been done before.

WikiAnswers: Questions and Answers from the Community

CSGNetwork Free Information. Calculators, Converters, Glossary, Open Source Code... find something. Most pages require JavaScript.

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

A practical approach to PID Tuning and applicable to the industries as well as academic. Plenty of useful short notes and papers on PID.

Clemson University is a vibrant, student-centered community that thrives on leadership, collaboration, public service, relevant research and a winning spirit — in academics, athletics and life. A major science- and technology-oriented research univ...

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