Displaying

There are several different ways of displaying a worksheet:
Normal View
Page Layout View
Page Break Preview - Options Advanced > Display > Ruler Units
Full Screen
Custom Views

Full Screen View (View > Full Screen)

You can quickly remove all the toolbars except the Menu bar and display your worksheet on the full screen by pressing (View > Full Screen).
This will display a larger worksheet area which can often make it easier to work.
The Full Screen toolbar will automatically be displayed which allows you to close the full screen view.

You can alternatively select (View > Close Full Screen) to display all the toolbars.