Lambda (letter)
Lambda (Λ λ) is the 11th letter of the Greek alphabet and has a numeric value of 30.The lower-case letter λ is used as a symbol for:
- In physics and radio (and other fields), the wavelength (λ) of a wave.
- In biology, the Lambda phage virus.
- In Lambda
calculus and by extension some programming
languages, lambda notation is used to define functions anonymously.
- The language Unlambda is made up completely of lambdas, but they cannot be stored, hence the un-
- Gay
pride (explanations for this usage vary).