Chapter 19
Ten-Plus Functions for Crunching Numbers
In This Chapter
Tabulating data with functions
Using functions to clean up data
Comparing values with functions
Calculating loan payments with the PMT function
Measuring time with functions
Excel offers more than four hundred different functions. I choose what I consider the most useful and most interesting functions for this chapter.
If you’re not familiar with functions, check out Chapter 11. It explains how functions work, what function arguments are, how to enter arguments with functions, and how to include functions in formulas.
AVERAGE for Averaging Data
Might as well start with an easy one. The AVERAGE function averages the values in a cell range. In Figure 19-1, for example, AVERAGE is used to compute the average rainfall in a three-month period in three different counties.
Figure 19-1: Using AVERAGE to find average ...
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