Ubuntu: How do I type an `@` (at sign) symbol?

Ubuntu: How do I type an `@` (at sign) symbol? The Question: I have Ubuntu on my MacBook 2007 with a Spanish keyboard, on MacOS the @-sign was typed using Alt (Option) + 2, but on Ubuntu I have no idea. I have to copy and paste it every time. How do I type an at sign? Solutions Sample (Please watch the whole video to see all solutions, in order of how many people found them helpful): == This solution helped 5 people == Make sure you selected the right keyboard layout. Go to System Settings, click on Keyboard Layout. On the Layout tab you should see a + button. Select the most appropriate keyboard layout as shown bellow. [keyboard layout dialog box] I am not using a Macbook, but the first layout worked as you described to type @. I suppose you are using Ubuntu 11.10. == This solution helped 1 person == With Ubuntu 12.04 on a Macbook Danish keyboard, I get the @ sign with the right Alt+2. It doesn&work with the left alt key as normally on the Mac. == This solution helped 3 people == In Ubuntu 14.04 System Settings -＞ Keyboard -＞ Shortcuts -＞ Typing And define the "Alternative Character Key" I used Right Ctrl Key. Combine this key with Q or 2. Result: @