PC keyboards have symbols like the Shift key ('⇧') and the Enter key ('↵') whose meaning is clear without having to read the characters. On the other hand, older IBM computers and terminals used ...

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 ...

For as many keys as your keyboard holds, there are always hundreds more symbols that get left out. One of these is the degree symbol. Luckily, the degree symbol is on your keyboard — just hidden ...

So, there you are, typing a long note on your iPhone or iPad, when you suddenly realize that you need–gasp–a special symbol or accented character. Perhaps you want to use the £ (British pound) symbol, ...