Xi (letter) dialects of most of the Greek mainland and Euboea, the sound [ks] was represented by Χ (which in classical Greek is chi, used for ). Because this variant of the Greek alphabet was used in Italy, the Latin alphabet borrowed Χ rather than Ξ as the Latin letter X. While having no Latin derivative, the Xi was adopted into the early Cyrillic alphabet, as the letter ksi (Ѯ, ѯ). The uppercase letter Ξ is used as symbol for: The lowercase letter ξ is used as a symbol for: These characters are used only as mathematical symbols. Stylized Greek text should
Alphabet a new letter ՈՒ ու (which was a digraph before). The Armenian word for "alphabet" is "" (), named after the first two letters of the Armenian alphabet Ա այբ ayb and Բ բեն ben. The Armenian script's directionality is horizontal left-to-right, like the Latin and Greek alphabets. Alphabets often come to be associated with a standard ordering of their letters, which can then be used for purposes of collation—namely for the listing of words and other items in what is called "alphabetical order". The basic ordering of the Latin alphabet (A B C D E F G H I