How To Write A Programm That Will Accept Any Positive Integer

Please i want to know how to write a programm that will accept any positive integer from the keyboard and display and compute its factorial

Thank you.
Kingsley

 

here's the function.. it's up to you to implement it

function fact(n)
{
  if (n == 1 || n == 0)
  { return 1; }
  else 
  {return n * fact(n-1); }
}

Code (markup):

i didn't check that anywhere but it should work... i hope i'm not doing your homework for you