house (M.D.) is a rapid applications development plataform. It is design to allow persons with low 'Development How To' a way to create its programs. Also provides a way do develop realy super fast prototyping. It will be connected with GTK Library.

(import 'System/Standart) 

(defun fact (x)
   (if (= x 0)
       1
       (* x (fact (- x 1)))))

(define main ()
  (print "factorial: ")
  (set a (read))
  (print "is : " (fact a) "\n"))