Nu (letter)

Nu (uppercase/lowercase Ν ν) is a letter of the Greek alphabet used to represent the "n" sound in Ancient and Modern Greek. In the system of Greek numerals, it has a value of 50. Letters that came from it include the Roman N and Cyrillic Н.

In statistics, the lowercase  can be used to represent degrees of freedom. In physics, the same letter can also used to represent kinematic viscosity and the frequency of a wave.

When typesetting mathematics, sometimes the roman lowercase  is used in conjunction with , sometimes leading to problems with both letters being indistinguishable from each other in some fonts.

 Related pages 

 Mu (letter)

 References 

Category:Greek alphabet