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 \frac{n!}{(n-3)!}.
Note: See also BinomialCoefficient command.
