The Icelandic keyboard layout is a national functional keyboard layout described in ÍST 125, used to write the Icelandic language on computers and typewriters. It is QWERTY-based and features some influences from the continental Nordic layouts. It supports the language's many special letters, some of which it shares with the other Nordic languages:Þ/þ, Ð/ð, Æ/æ and Ö/ö These are all entered by pressing dedicated keys Þ Ð Æ Ö. Á/á, É/é, Ý/ý, Ú/ú, Í/í, and Ó/ó are entered by first pressing dead key ´ located to the right of Æ and then the corresponding key.