I need the key 1/2 (one-half) but I can't find it on my mac keyboard.
My keyboard is a Danish Mac keyboard.
Quick reference: copy it from here:
and paste where needed =)
Other than that; here's how you can produce the symbol:
If you need to type the symbol, here is some documentation on how to do it.
OS X Lion
Enter special characters or symbols from the Character Viewer
Mac OS X v10.6
To show the Character Viewer:
To use the Character Viewer:
For ½ ⅓ ⅔ etc on Lion 10.7.x on most applications click Edit-Special Characters... And look at