Count Ordered Arrangements
Count selections wey order matter and repetition no dey.
Your numbers
Selections wey order matter
Very large counts dey use floating-point approximations.
Compare scenarios
You fit keep up to three snapshots for this tab. Loading one go replace the present inputs.
Formula
P(n,r)=n!/(n−r)!
Count selections wey order matter and repetition no dey.
Example wey show the calculation
- Available item count n
- 10
- Selected item count r
- 3
- Selections wey order matter
- 720
Where e fit work and limits
Very large counts dey use floating-point approximations.
We check inputs for missing values and allowed ranges. Result wey pass the finite numeric range no go show. Rounding affect wetin display, while calculation use the model numeric precision.
Check your units and assumptions before you rely on result. Changing label no convert currency or physical unit.
Version of di formula: 92b127ccd53b · Example don get check: