single-step function
nounUK /ˈsɪŋɡəl stɛp ˈfʌŋkʃən/
US /ˈsɪŋɡəl stɛp ˈfʌŋkʃən/
A single-step function is a math rule that does just one thing to a number.
The single-step function 'add 3' turns 4 into 7.
OTHER MEANINGS
2. A function that changes its input in only one operation, like adding or multiplying once.
Doubling is a single-step function because it only multiplies by 2.
3. A computer command that finishes its whole job in one action.
The button runs a single-step function that saves the file.
4. A process with only one stage from start to finish.
Turning on the lamp is a single-step function: just flip the switch.