Split the calculation up an use echo to find the problem.
David Rice wrote:
> I am attempting to calculate a mortgage payment using the following code.
> $P = 100000; // principal outstanding
> $I = 4.5; // annual interest rate percentage
> $N = 20; // number of years
> // The formula that I am using
> $Pmt =
> echo $Pmt;
> which produces: 630.40515566726
> What I am looking for is 632.65 (rounded to 2 places).
> (I am not looking for a rounding mechanism, just a more accurate result)
> The manual states that the pow function attempts to return an Integer.
> Is this the source of the inaccurate result?
> The manual also says to look at exp but appears to be missing some
> sort of usage example. I have no idea how that works. I tried a few
> things with no success.
> I also came across a mention of bcpow() but am unable to use this in
> the build that I am using.
> So is it some boneheaded coding error on my part or am I asking for
> too much of pow()?
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