Variant forms of the letter have special code factors for specialist use: the alphanumeric symbols set in mathematics and science, Latin alpha in linguistics, and halfwidth and fullwidth types for legacy CJK font compatibility. The Cyrillic and Greek homoglyphs in the Latin ⟨A⟩ have independent encodingsÆ æ Ɑ ɑ Ʌ ʌ Ꞵ ꞵ Ð ð Ɛ ɛ Ə