Chapter 5 - Formulas And Functions

For example, the function =average(a1:d1) would return the average of all numbers in cells a1, b1, c1, and d1. The most commonly used function, “sum” or Σ, is for totals. Watch the Mouse! One of the keys to Excel is paying attention to the mouse. There are many mouse shapes that appear, but four are significant: ( ................
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