Introducing Excel Formulas
Formulas are what make a spreadsheet program so useful. If it were not for formulas, a spreadsheet would simply be a glorified word-processing document that has great support for tabular information. You use formulas in your Excel worksheets to calculate results from the data stored in the worksheet. When data changes, those formulas calculate updated results with no extra effort on your part. This tutorial introduces formulas and helps you get up to speed with this important element.