(computing) an algorithm that generates a numeric, or fixed-size character output from a variable-sized piece of text or other data; used in database table queries, cryptography and in error-checking

(mathematics) a function of the generalized coordinates and velocities of a dynamic system from which Lagrange's equations may be derived

(physics) a mathematical function that describes the behaviour of paramagnetic materials and the dielectric properties of insulators

(mathematics) The general solution of a homogenous linear differential equation.

(programming) Programming in a style that, in lieu of assignment, uses procedure calls to bind variables to values, so that referential transparency is preserved.

Alternative spelling of wavefunction

(mathematics) Any metric space whose elements are functions

(mathematics) an inverse trigonometric function

(medicine) A branch of kinesiology that studies the configuration of limbs during the performance of a task.

(mathematics) An inverse hyperbolic function