Permutations without repetition
  

Returns number of permutations without repetition.

syntax
Permutations(number_objects)

returns
positive integer number >= 1

info
- given number is converted into integer number
- formula for of function: n!

example
Permutations(5) = 120

example 2
There are 5 balls in a box: 1, 2, 3, 4, 5.
How much different numbers we can assemble using all bals?
solution
Permutations(5) = 120
answer
We can assemble 120 different numbers.