rbt wrote:
> Is this mathematically correct?
>
>
> def inflation():
> start = int(str.strip(raw_input("How much money do you need each
> month at the start of retirement: ")))
> inflation = float(str.strip(raw_input("What will inflation average
> over the next 30 years(.03, .04, etc): ")))
>
> for x in xrange(30):
> start = start*inflation+start
> print start
>
> inflation()
The *arithmetic* is tedious but "correct" -- we won't concern ourselves
with rounding errors here. The *mathematics* might be better expressed as
required = start * (1.0 + inflation_rate_per_period) ** number_of_periods
--
http://mail.python.org/mailman/listinfo/python-list
