How to change or reset your iPad's passcode, even if you don't remember what the passcode is

To reset or change your iPad's passcode, you can use the "Passcode" menu in your Settings app, or reset the entire device.
How-To Geek on MSN

Everything You Need to Know About Data Validation in Microsoft Excel

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 ...