(mathematical analysis) A function which is Borel measurable.

plural of function generator

plural of function code

(programming) A function that belongs to a class and can be called on instances of the object defined by that class.

plural of functional root

(physiology) A normal physical process that occurs in the body. / (euphemistic) An excretory function of an organism, usually the discharging of feces and urine.

(computing, database normalization) A constraint between two sets of attributes in a relation.

(mathematics) Any function of a polynomial whose greatest exponent is 4.

(physics) A function, denoted by Ai(x), that is a solution to the Airy equation.

(calculus) A function f : X→R (where X is a subset of R, possibly a discrete set) that either never decreases or never increases as its independent variable increases; that is, either x ≤ y implies f(x) ≤ f(y) or x ≤ y implies f(y) ≤ f(x).