Lambda (λ): Symbol, Function, & Lambda Calculus - Definition & Uses

Lambda ('λ') is a symbol widely used in mathematics, physics, and computer science, representing diverse concepts. In mathematics, 'λ' denotes a parameter within calculus and differential equations. Physics employs it to represent the wavelength of a wave or the decay constant of a particle. In computer science, 'λ' signifies an anonymous function, one without a name. Lambda calculus is a mathematical branch utilizing lambda expressions to define and manipulate functions.