F vdc(=n, base = 2)
   V (vdc, denom) = (0.0, 1)
   L n != 0
      denom *= base
      (n, V remainder) = divmod(n, base)
      vdc += Float(remainder) / denom
   R vdc

print((0.<10).map(i -> vdc(i)))
print((0.<10).map(i -> vdc(i, 3)))