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## Chapter 11. Working with Math Functions

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Excel's mathematical underpinnings are revealed when you consider the long list of math-related functions that come with the program. Functions exist for basic mathematical operations such as absolute values, lowest and greatest common denominators, square roots, and sums. Plenty of high-end operations also are available for things such as matrix multiplication, multinomials, and sums of squares. Not all of Excel's math functions are useful in a business context, but a surprising number of them are. For example, operations such as rounding and generating random numbers have their business uses.