The real numbers -- those comprising the integers, fractions, and non-repeating, non-terminating decimals -- are the key players in algebra. True, the complex numbers -- those of the form a + bi, such that a and b are real numbers and i^2 = -1 -- are studied in algebra and do indeed have important applications in various real world sciences, yet the real numbers are the ones that have the predominant role. Reals behave in predictable ways. By mastering the basic properties of this set, you will be in a much stronger position to master algebra.



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The Google Docs Viewer allows you to quickly view many file types online, including PDFs, Microsoft Office files, and many image file types. It also allows you to create a link that allows other people to view your document quickly and easily in any browser.

Google Docs is a suite of products that lets you create different kinds of online documents, work on them in real time with other people, and store your documents and your other files -- all online, and all for free. With an Internet connection, you can access your documents and files from any computer, anywhere in the world. (There's even some work you can do without an Internet connection!) This guide will give you a quick overview of the many things that you can do in Google Docs.