Keep It Simple, Stupid  
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But does switching to decimal floats solve all problems?
No ... but then rational arithmetic (where you keep divisor and numerator separate) also fails to solve all problems, as it falls down when you start to deal with irrational numbers such as sqrt(2) or transcendentals such as pi. I think what drew me to decimal arithmetic was that the values that appeared in the OP's post were all *exactly* representable in base 10, as were the results of the calculations he presented. If there had been a "1 / 3" (or some other rational value that couldn't be exactly represented in base 10) in that post then I would more likely have been drawn to modules such as Math::BigRat or Math::GMPq. Cheers, Rob In reply to Re^3: Comparing results of math operations
by syphilis

