(trigonometry) Synonym of trigonometric function

(mathematics) A function of one or more independent variables, at least one of which is itself a function of one or more other independent variables; a function of function(s).

(computing) Any function that is provided as part of a high-level language and can be executed by a simple reference with specification of arguments

(physics) A function which describes the intensity of scattered radiation in any given direction

(computing) A function used in an operating system that is not available to application programs.

(mathematics) Any function whose range is n-dimensional

(computing) Any function that uses recursion and can call itself until a certain condition is met

(mathematics, complex analysis, algebraic geometry) Any function expressible as the quotient of two (coprime) polynomials (and which thus has poles at a finite, discrete set of points which are the roots of the denominator).

(mathematics) a function of the type f:V⨯V→V, or more generally, a function of the type f:U_1⨯U_2⨯...⨯U_n→V in which exactly two of the sets Uᵢ are equal to V.

(organic chemistry) A specific grouping of elements that is characteristic of a class of compounds, and determines some properties and reactions of that class.