It's easy to divide in Excel to make calculations and analyze data in a spreadsheet. Here's what you need to know to do it.

To apply data validation rules to a selected cell or range, head to the "Data" tab on the ribbon, and click the top half of ...

Jeff Carlson writes about mobile technology for CNET. He is also the author of dozens of how-to books covering a wide spectrum ranging from Apple devices and cameras to photo editing software and ...