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