[pentel-0_5]

> Cash registers are nearly always out a dollar or two at the end of the day anyway, that's normal, and cash rounding doesn't change that much.

This is human error, not a software design error.

[frosted-flakes]

The point is that it doesn't matter, it all evens out in the end.

[pentel-0_5]

I'm not sure what you mean by that platitude.

[bobsmooth]

The mental and physical cost of worrying about a few cents isn't worth it.