To use
Alt key codes, ensure that «Num Lock» is on — you may need to tap the Num Lock key to turn it on.
You can quickly insert special characters on Windows using
Alt key codes.
For each special character, you'll see
its Alt key code printed at the bottom - right corner of the window.
Not exact matches
For those who want to try the
codes on their Kindles, be sure to hold down the
Alt key for all three letters.