Re: denominating currency

[Richard Wackerbarth]

On Fri, 16 Jun 2000, Dave Peticolas wrote:
> Richard Wackerbarth writes:
> > When transactions occur, they are rounded. In general, the roundoff error
> > accumulates to an amount which exceeds the displayed precision.
> > We need to model the actual behavior rather than approximating it.
> >
> > This can only be done by knowing the rounding precision of each
> > transaction. Therefore, we must track the 'primitive units'.
>
> Could you give a concrete example of this for the purposes of discussion?

Assume the case where an item is priced at 3 for $2.
For this discussion, the price NEVER changes.

Purchase one item.
and another
and a third
Total cost = 3* $0.67 = $2.01
Now purchase 3 at once. Cost = $2.00

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