On Mon, May 8, 2017 at 11:24 AM, Scott Ballantyne <[email protected]> wrote:
>> This seems a bug:
I don't think so.
>> nper(7.75%,50000,646000) -> #VALUE!
>> nper(7.75%,50000,645000) -> 111
>>
>> Seems anything greater than 646000 for PV causes this error, which is
>> very unfortunate for me :(
I reckon the bug report is mistaken in at least two ways.
1) For starters, to get a meaningful result, it is almost certainly necessary
for the "pmt" field to be negative.
2) The #VALUE! result is correct in cases where the pmt is insufficient to
keep up with the accrued interest. Here are the results I get, which do
not seem erroneous in any obvious way, although the negative results require
thoughtful interpretation:
A B C D E F G
-9.295 =nper(C1,D1,E1) 7.75% 50000 646000 7.740% =D1/E1
-9.284 7.75% 50000 645000 7.752%
#VALUE! 7.75% -50000 646000 -7.740%
111.115 7.75% -50000 645000 -7.752%
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