Learn how to apply AutoFill to Data Series in Microsoft Excel. AutoFill fills cells with data that follows a sequence or is based on data in other cells.

You can save time by creating an AutoFill series in Excel 2003 as follows: Enter the values and then select the list. Choose Options from the Tools menu. Click the Custom Lists tab. Click Import.

How to Do the Sum of an Indefinite Series in Excel. The Microsoft Excel program includes a variety of mathematical formulas that you can apply to any cell in a spreadsheet.