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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.

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migrated from stackoverflow.com Jul 28 '09 at 20:09

This question came from our site for professional and enthusiast programmers.

    
You need the key "1/2", as in one half? – Kitsune Jul 28 '09 at 19:30
    
It isn't on my Mac keyboard either, and I'm from the US. Why would you expect such a key? – David Thornley Jul 28 '09 at 20:05
    
@David, probably because many PC keyboards have it – Jonik Jul 28 '09 at 20:06

Quick reference: copy it from here:

½

and paste where needed =)

Other than that; here's how you can produce the symbol:

2016 update

I'm currently on Yosemite (10.10) and nowadays (I assume this works the same on El Capitan) you can hit Ctrl-Cmd-Space (^⌘Space) to launch the very useful Emoji & Symbols utility. For example, type "half" into the search at the top to find ½. It also lets you easily use the emojis you're used to on iPhone that are missing from desktop version of Facebook. 😁

Original, 2009 answer

  1. Select "Show Character Palette" from the Input menu (the flag at top-right corner in the menu bar).
  2. Find category "Symbols" ➔ "Numbers and Number Symbols"
  3. Scroll down and you'll find ½ along with stuff like ⅗ and whatnot.
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Use of the Character Palette is explained (with greater verbosity) in the KB article which Daniel posted earlier: support.apple.com/kb/HT1518. Still, I wanted to add the full answer here on SU, instead of just a link. – Jonik Jul 28 '09 at 20:28
    
@Jonik You beat me to it >.< – Nippysaurus Jul 29 '09 at 6:27
    
When this question was closed on SO, but not yet migrated to SU, I wrote the answer ready... to be the first to post after migration (and hoping it would eventually be migrated) :) – Jonik Jul 29 '09 at 8:22
    
The ⅗ looks like 3/6 on my screen (it is supposed to be 3/5) – kinokijuf Feb 25 '12 at 12:41

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

  1. Open a document, and place the insertion point where you want the special character or symbol to appear.

  2. Choose Edit > Special Characters to open the Character Viewer, or choose Show Character Viewer from the Input menu in the menu bar (looks like a flag or character). If you don’t see Show Character Viewer in the Input menu, follow the steps in this topic to show the Character Viewer in the menu bar.

  3. Select a category from the list on the left, and then select the character you want to use. Use the Recently Used or Favorites sections in the Character Viewer to quickly enter frequently used characters or symbols.

Mac OS X v10.6

To show the Character Viewer:

  • Choose Apple menu > System Preferences, click Language & Text, and then click Input Sources.

  • Select the Keyboard & Character Viewer checkbox.

To use the Character Viewer:

  • Open a document, and place the insertion point where you want the special character or symbol to appear.

  • Choose Edit > Special Characters to open the Character Viewer, or choose Show Character Viewer from the Input menu in the menu bar (looks like a flag or character).

  • Choose the type of characters you want to see from the View pop-up menu.

  • If you don’t see the View pop-up menu, click the button in the upper-right corner of the Character Viewer to show the top portion of the window.

  • Click By Category, and then select a category on the left.

  • Double-click the symbol you want to use on the right.

Source

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For ½ ⅓ ⅔ etc on Lion 10.7.x on most applications click Edit-Special Characters... And look at Digits - All. (If digits all is not listed click the Gear-Customize List and check off Digits - All.

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You can also search in that palette (upper right corner). Typing "half" works for this symbol. – pluckyglen Jun 2 '12 at 0:15

Another way to get it on your keyboard is installing Karabiner and writing a script or rebinding a key to produce the symbol when typed.

Karabiner is an app for remapping keys and mouseinput on Mac. I don't personally have a lot of experience remapping keys with it, but you might be able to figure it out from their documentation or maybe someone here can edit this answer, adding a script or instructions for how to do it.

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Why can't you edit your own answer to include those instructions? – Burgi Mar 23 at 10:56
    
Because "I don't personally have a lot of experience remapping keys with it". I've used it for it's trackpad and mouse options. If I knew how to I'd have included instructions myself in the answer. – ssssaaaa Mar 24 at 10:03

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