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

(medicine) any of several biochemical blood assays designed to give information on the state of a patient's liver; include total protein, albumin, alanine transaminase, alkaline phosphatase and bilirubin

(systems theory) That part of a control system that dynamically updates the parameters of an optimizing control function or a direct control function

(physics) A function of the position and spin of an electron; related to the probability of finding the electron in a specified position

(mathematics) Any function of a real variable whose value increases as the variable increases.

(computing) Any of a set of subroutines supplied with a language or system that can be called to perform standard mathematical functions efficiently

(mathematics) A function that gives the relative probability that a discrete random variable is exactly equal to some value.

(physics) A relationship that describes the probability of a particle that collides with another being scattered in any particular manner

(computing) A program or subroutine, provided by the user rather than being built into the system, that may return a value and may take input parameters.

(mathematics) Any function in which each point in the domain maps to just one point in the range