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 ...

There are times when you’ll need to type a character that isn’t displayed on your keyboard, be it a letter with an accent, the degree symbol, or a currency symbol. Special characters are common in ...

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 iPhone keyboard has a hidden superpower—beneath its usual letters, numbers, and symbols lie a treasure trove of less common but still useful symbols. The next time you want to tell someone how hot ...