Definitions

1. noun

a set of instructions that are carried out when a program is run, a role or job, or a mathematical relation between a set of inputs and a set of possible results.

“The new software has several useful functions that make it easy to use.”

2. verb

to serve a particular purpose, to have a specified or implied role, or to operate in a particular way.

“The computer functioned perfectly until the power went out.”

3. transitive verb

to provide something with a particular function or property.

“The new paint will function the wood to make it resistant to water.”

4. mathematics

a relation between a set of inputs and a set of possible results, especially one that can be expressed using a mathematical formula.

“The function f(x) = 2x + 1 is a simple linear function.”

5. computing

a procedure or set of instructions that can be executed by a computer.

“The software has several useful functions that make it easy to use.”