Nu (; uppercase Ν, lowercase ν; Greek, Modern (1453-);: vι ni in Greek, Modern (1453-); pronounced as /ni/) is the thirteenth letter of the Greek alphabet, representing the voiced alveolar nasal in Greek, Modern (1453-); pronounced as /n/. In the system of Greek numerals it has a value of 50. It is derived from the Phoenician nun . Its Latin equivalent is N, though the lowercase (
\nu
The name of the letter is written Greek, Ancient (to 1453);: νῦ in Ancient Greek and traditional Modern Greek polytonic orthography, while in Modern Greek it is written Greek, Modern (1453-);: νι pronounced as /[ni]/.
Letters that arose from nu include Roman N and Cyrillic script En.
The lower-case letter is used as a symbol in many academic fields. Uppercase nu is not used, because it appears identical to Latin N.
Encodings of Greek Nu and Coptic Ni.[2]
These characters are used only as mathematical symbols. Stylized Greek text should be encoded using the normal Greek letters, with markup and formatting to indicate text style.