memorylessfunction
nounA memoryless function is a rule that gives an answer using only the input right now, not anything from before.
The light switch is a memoryless function because it only cares whether you flip it now, not what you did yesterday.
OTHER MEANINGS
2. In probability, a memoryless property means the future depends only on the present, not the past.
Waiting time in a Poisson process has the memoryless property.
3. In computing, a memoryless function returns the same output for the same input every time and stores nothing.
The hash helper is memoryless, so calling it twice with the same key gives the same result.
4. In math, a function whose value at a point depends only on that point and not on earlier points.
A memoryless function maps each input to an output without looking at neighboring inputs.