unambiguousfunction

noun
UK /ˌʌnæmˈbɪɡjuəs ˈfʌŋkʃən/
US /ˌʌnæmˈbɪɡjuəs ˈfʌŋkʃən/

A function that gives exactly one clear answer for each input.

The teacher said our rule was an unambiguousfunction because every number we put in gave us only one answer.


OTHER MEANINGS

2. A mathematical relation where no input is paired with two different outputs.

In algebra class, we checked that the relation was an unambiguousfunction before graphing it.

3. A programming routine that always returns the same result for the same arguments.

The developer refactored the code into an unambiguousfunction so testing became easier.

4. A rule or procedure whose meaning leaves no room for confusion.

The contract described an unambiguousfunction for calculating refunds, so nobody argued about the amount.