Factorial, Permutation & Combination Calculator
Factorial:
! =
X!
Example: How many ways can the 4 sticks be arranged?
Answer: 4!
Permutation:
P
=
n P r
Example: If 7 people are participating in a game. In how many different ways can they come in 1st, 2nd, 3rd, and 4th?
Answer: 7 P 4
Combination:
C
=
n C r
Example: How many possible sets of 4 winning numbers can be picked from 7 numbers?
Answer: 7 C 4