• In modern Danish, Faroese, and Norwegian, the letter is a monophthongal close-mid front rounded vowel, the
• … Se mere

• The Turkish, Azerbaijani, Turkmen, Tatar, Swedish, Icelandic, Rotuman, German, Finnish, Estonian, and Hungarian alphabets use the letter Ö instead of Ø. Hungarian orthography uses Ő for the same sound lengthened.… Se mere

• The letter "Ø" is sometimes used in mathematics as a replacement for the symbol "∅" (Unicode character U+2205), referring to the empty set as established by Bourbaki, and sometimes in linguistics as a replacement … Se mere

The letter arose to represent an /ø/ sound resulting primarily from i-mutation of /o/. There are at least two theories about the origin of the letter ø:
• It possibly arose as a version of the ligature, … Se mere

Some 7-bit ASCII variants defined by ISO/IEC 646 use 0x5C for Ø and 0x7C for ø, replacing the backslash and vertical bar. The most common locations in EBCDIC code pages is 0x80 and 0x70. Most code pages used by … Se mere