There are two levels of Microsoft PowerPoint password protection, one to open the presentation and one to enable making changes to presentation. Let's check both of them.
I'll show you the basic usage of IF function in Google Drive Spreadsheet. The IF function returns one value if a specified condition evaluates to TRUE, or another value if it evaluates to FALSE.
You can add multiple desktops to the Mac OS X Mountain Lion by using Mission Control, formerly known as Spaces. Can be really useful if you are a busy multi-tasker.
Windows Explorer does not have menu displayed by default like you were used to in previous versions. To activate and keep it permanently visible follow this tutorial.