andresj <[EMAIL PROTECTED]> writes: > The problem arises when you try to represent some number, like 0.4 in > a float.
Which is really a specific case of the general problem that, for any given number base, some non-integer numbers cannot be exactly represented as fractions. > Secondly, what happens if I need to sum 1/3 and 0.4? I could use > Decimal to represent 0.4 precisely, but what about 1/3? What about the sum of π (pi) and √2 (sqrt(2))? > So the solution I think is using a fraction type/class As explained above, a fractional-number class only shifts the "exact representation" problem, it doesn't solve it. -- \ "Facts do not cease to exist because they are ignored." -- | `\ Aldous Huxley | _o__) | Ben Finney -- http://mail.python.org/mailman/listinfo/python-list
