VariationsA with repetition
  

Returns number of variations with repetition.

syntax
VariationsA(number_all_objects;number_chosed_objects)
number_all_objects (n) - number all objects
number_chosed_objects (k) - number objects in variation

notice
- numbers are converted into integer values
- number_all_objects must be greater or equal number_chosed_objects
- formula of the function: nk

example
VariationsA(4;2) = 16

example 2
How much possibility are available when throw 2 cubes (each 6 faces)?
solution
VariationsA(6;2) = 36