Windows Phone 8 powered phones come with the Microsoft Office apps and Excel being one of them. Let's learn how to use a simple but useful sum formula to add up the values.
If you are more of a visual person and would like to organize your folders and files using different colors, than check it out how to use color labels in Mac OS X.
You do alot of surfing on your iPad and have a great number of opened tabs in Safari? When you want o close them all at the same time you don't really know how? Well now you will find out.