Jochem Maas wrote:
Bruce Douglas wrote:
so...
you're saying that 7.99999 (repeating) is equal to 8.0....
i say prove it.. as i recall the numbers might be for all practical purposes the same, they are in fact vastly different...
so, prove your assertion...
he did.
you have to consider the two the same, given that there is always a limit to the level of precision - the alternative would be to say no 2 numbers are ever equal and that make for boring mathematics.
No, no, no.
I'm going MUCH farther than that.
I've claimed (and proved) that:
7.999... (repeating decimal)
IS EXACTLY EQUAL TO
8.000... (repeating decimal)
<somewhat-back-on-topic>
So knowing this... is the fractional math how the BC Math extension for PHP works? I'm really curious now. It certainly makes things more clear for me if this is the case.
</somewhat-back-on-topic>
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