_ in mat[3][2] = { 1,2,3,4,5,6 }
 in i = sigma (0,10,1)

 print ("5! = " Num$ factorial (5))

 print ("\n\nCatalan number: " Num$ catalan (10))

 print ("\n\nCollatz conjecture: \n")
 Collatz (100)

 print ("\nMatrix table: \n")
 matrix (3, 2, mat[0])

 print ("\nn = 10\n")
 print ("sigma i = " Num$ i)
 print ("\ni = 0")
 print (nline nline)

 in d = 0
 loop (d <= 5, d++)
      print ("Fermat(%d) = %.lf\n", d, fermat (d))
 ends
Done