-- As for built-in power() function:
-- base can be either integer or float; returns float.
on pow (base, exp)
  if exp=0 then return 1.0
  else if exp<0 then
    exp = -exp
    base = 1.0/base
  end if
  res = float(base)
  repeat with i = 2 to exp
    res = res*base
  end repeat
  return res
end