Liza Minnelli and Joel Grey may have to add another currency to the famous quartet that makes the world go round. “A mark, a yen, a buck, or a pound . . . Is all that makes the world go around,” they ...

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, ...