DB<25> p 27**(2/3)
9
  DB<26> p 27**(2/3) == 9

  DB<27> printf "%.15f", 27**(2/3)
8.999999999999998
  DB<28> 

##</code><code>##

>>> 27**(2/3)
8.999999999999998
>>> 27**(2/3)==9
False
>>>