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
Gagauz alphabet Gagauz alphabet The modern Gagauz alphabet is a 31-letter Latin-based alphabet modelled on the Turkish alphabet. Previously, during Soviet rule, Gagauz's official script was Cyrillic. Gagauz was first written in Greek letters in the late 1800s. The current 31-letter Gagauz alphabet, used for the Gagauz language, is a Latin-based alphabet modelled after the Turkish. It appears that the first alphabet to be used for the language was the Greek alphabet in the late 19th century. For example, orientalist Otto Blau claims that plays of Euripides had been translated into the Gagauz language and had been written with Greek letters. Beginning