On 2017-09-06 01:40, timetowalk wrote:
On Tuesday, September 5, 2017 at 8:28:00 PM UTC-4, MRAB wrote:
On 2017-09-05 22:21, jessicayate...@gmail.com wrote:
> Here's a code that I have, i'm getting an error in line 5 and i'm not sure
why,
>
>
> # future value of annuity
> p = 1000
> r = 2/100
> n = 5
> FV= p * ((1+r) ** n - 1/r)
> print(FV)
>
[snip]
> the output is supposed to be
> 5204.0401600000005
[snip]
Your formula is wrong. The second closing parenthesis is in the wrong place.
That line should be:
FV = p * ((1 + r) ** n - 1) / r
For line #3, r = 2/100 is zero.
For line #5, 1/r will cause an exception
The error wasn't specified.
The print lines have parentheses, which is suggestive of Python 3. If it
was Python 2, those lines probably wouldn't have the parentheses.
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