Functions are an important feature in Excel. They allow you to complete complex or tedious mathematical tasks without having to create elaborate formulas. Excel’s built in functions can do a lot of heavy calculation and data manipulation for you. Excel has such a wide variety of functions available, you can probably find an appropriate function or combination of functions for almost any situation.

In this lesson you will learn what functions are, and how to find the function you need. You will also explore some common Excel functions, and then practice using the sum and average functions.