Variant types of the letter have distinctive code factors for specialist use: the alphanumeric symbols established in arithmetic and science, Latin alpha in linguistics, and halfwidth and fullwidth kinds for legacy CJK font compatibility. The Cyrillic and Greek homoglyphs of the Latin ⟨A⟩ have separate encodingsÆ æ Ɑ ɑ Ʌ ʌ Ꞵ ꞵ Ð ð