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Make Excel do the math and make sense of your dataUse the Insert Function dialog box, array formulas and functions, and moreExcel 2007 has more than 500 built-in functions. This book looks at the top 150, so you can find out which ones will make your life easier. Want to compare a 15-year mortgage to a 30-year mortgage? Forecast expenses for your college freshman? See how your online business is doing? Here's the fun and easy way!Discover how to* Create worksheets to track costs and revenue* Tell the difference among average, median, and mode* Work with statistical functions* Develop forecasts and track trends* Manipulate strings and work with database functions