Without Replacement; Combinations Unordered - HP Mathematics II User Manual

Without replacement
Without replacemnet means that we dont put the drawn ele-
ment back again.
Combinations, not ordered
This routine calculates the number of possibilities to draw k
elements of total n without replacement and without regard
to order.
Interface:
RAD
{HOME }
N
:n k:
PRG
Draw k of n
F = n!/((n-k)!*k!)
15 3
^_^_^ . ^
The example calculates the number og possibilities to draw
3 elements form total 15 elements without regard to order.
4. Probability 43