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Title: Great "Index" Book!
Review: I've bought all three editions of the book and it just keeps getting better.I tend to use it as an Index book .. its is so broad in coverage that you can use it to link into deeper material as you read. Or as an Index into Wikipedia.It is not difficult for folks who've taken the material earlier, it really is a refresher. If you are reasonably familiar with basic algebra, linear algebra and calculus, you could likely learn the additional topics in the book.I find the examples, with their answers in the back of the book, quite useful.Really a superb addition to your toolbox!
