(mathematics) Either of a pair of functions that have the same domain and that the values of one are equal to or greater than the other for all points in that domain.

The inverse of a hyperbolic function

(trigonometry) Synonym of trigonometric function

(mathematics) A function whose value is the same for all the elements of its domain.

(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).

(mathematics) A function that is the inverse of an appropriate restriction of a trigonometric function.

(chemistry) The relationship between the acidity of a solution and the concentration of its solute.

(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

Any mathematical relationship between an activity and its cost.

(mathematics) Any function of a real variable whose value decreases (or is constant) as the variable increases.