Problem Statement

This programming task, is to calculate ANY binomial coefficient. However, it has to be able to output

(

5 3

)

{\displaystyle {\binom {5}{3}}}

,   which is   10. This formula is recommended:

See Also:

Let's start with the solution:

factorial: function [n]-> product 1..n
binomial:  function [x,y]-> (factorial x) / (factorial y) * factorial x-y

print binomial 5 3