This tutorial will show you how to create a Formula to Add, Subtract, Multiply or Divide in Microsoft Excel. You can do basic calculations easily!

Add Numbers in Excel Performing addition in Excel is fairly straightforward. You can either add numbers directly or use cell references to work with values stored in specific cells.

Launch Microsoft Excel 2010 and open the spreadsheet you want to edit. Select the worksheet for which you want to insert the page number. Click the "View" tab on the upper side of the Excel window.