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.
- Examples:
nPr(10, 2)yields 90.nPr(n, 3)yields \frac{n!}{(n-3)!}.
Note: See also BinomialCoefficient command.
