\(^nP_r\)=nPr(n,r)

nPr() is used to calculate permutations (order matters). You will most commonly only use it with numbers were the first parameter is you n (Number of items in the set) and the last parameter is your r (Number of selected items). You can also use lists or matrixes of values to calculate multiple permutations at the same time.

Examples

3 items selected from a set of 10:

Using a list:

Using a matrix:

CalculatorsAll TI-Nspire
Shortcutb>5>2
ParametersnPr(Expression, Expression)
nPr(List, List)
nPr(Matrix, Matrix)