By default Windows calculator doesn't support order of operation, to enable the functionality you need to activate the scientific view, let me show you how.
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 using removable disk or USB key then you should look at this lesson. I will show you how you can safely remove your device from computer without the fear of losing data.