# Nu (letter)

Nu /ˈnj/ (Greek: νι ni [ni]) is the 13th letter of the Greek alphabet (uppercase Ν, lowercase ν), representing the voiced alveolar nasal IPA: [n]. In the system of Greek numerals it has a value of 50. It is derived from the ancient Phoenician language nun . Its Latin equivalent is N, though the lowercase (${\displaystyle \nu }$) resembles the Roman lowercase v.

The name of the letter is written νῦ in Ancient Greek and traditional Modern Greek polytonic orthography, while in Modern Greek it is written νι [ni].

Letters that arose from nu include Roman N and Cyrillic Н.