Liked your post! I've been looking at illustrated perlguts,

If my limited understanding is correct, then Perl keeps Integer Values IV's as a separate type from floats (NV's).
This 4/25 stuff creates a NV. (1000*4/25) would still be an integer, an IV. So aside from the output precision issues, a root problem is creating an NV in the first place? If the math never used anything but all integer values, then this output precision issue doesn't appear? Right or not?

In reply to Re^4: Integers sometimes turn into Reals after substraction (printed accuracy and float subtraction) by Marshall
in thread Integers sometimes turn into Reals after substraction by rduke15

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