You use Microsoft Excel to create spreadsheets, which are documents that enable you to manipulate numbers and formulas to quickly create powerful mathematical, financial, and statistical models. In this chapter; you learn about Excel and you find out the kinds of tasks you can perform with Excel. You also learn how to start the program and you take a tour of the program"s major features. This chapter also shows you how to work with the Excel Ribbon, how to customize the Ribbon and the Quick Access Toolbar, how to work with smart tags, and how to customize the view and other aspects of the program.