Anyone who's had to learn math or physics in school may have encountered pi at one point. More popularly known and written out in its Greek lowercase letter counterpart, π, it's essentially the ratio ...

You can add special characters while typing on a computer using keyboard shortcuts or a special pop-up window. Both Windows and Mac computers have the same special characters, but have different ways ...

The QuickType keyboard on the iPad has been updated in iOS 11 to introduce a super handy new Flick feature designed to let you enter numbers and symbols without the shift key. When you upgrade to iOS ...