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 -- https://mail.python.org/mailman/listinfo/python-list