NPr Command
From GeoGebra Manual
- nPr [<Number n>, <Number r>]
- Returns the number of possible permutations without repetition of r elements out of a list of n elements.
- Example:
nPr[10, 2]
yields 90.
CAS Syntax
- nPr [<Number n>, <Number r>]
- Returns the number of possible permutations without repetition of r elements out of a list of n elements.
- Example:
nPr[10, 2]
yields 90.
- Example:
nPr[n, 3]
yields n³ - 3n² + 2n.
Note: See also BinomialCoefficient command.