changeablefunction

noun
UK /ˈtʃeɪndʒəbl ˈfʌŋkʃn/
US /ˈtʃeɪndʒəbəl ˈfʌŋkʃən/

A changeable function is a function that can be changed or set in different ways.

The teacher showed us a changeable function that could switch from adding to subtracting.


OTHER MEANINGS

2. In programming, a function whose behavior can be altered at runtime.

The app uses a changeable function to update the screen when the user taps a button.

3. A mathematical function whose form or parameters can be varied.

By changing the slope, the changeable function produced a different line on the graph.

4. A role or job whose duties can be adjusted as needed.

Her position is a changeable function, so she helps with different tasks each week.