Sales tax rounding and other rounding issues

[John Zoetebier]

On 10 Jul 2003 12:08:15 -0400, Roland Roberts <roland at astrofoto.org> wrote:

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>>>>>> "Derek" == Derek Atkins <warlord at MIT.EDU> writes:
>
> >> An other usefull feature would be to select the type of rounding:
> >> 1) >= 0.5 rouded up
> >> 2) <= 0.5 rounded down
> >> >> It looks like most packages use method 1
>
> Derek> These are equivalent except for what happens when it ==
> Derek> 0.5000...  I'm not sure what to suggest here.
>
> I think his point was that he would like to be able to pick which
> rounding is done.  Maybe he's seeing cases where he thinks it makes a
> difference in amount of fiddling he has to do.

For example QuickBooks has a global option to select the rounding method 
for invoices.
What matters though is that I can adjust 1 cent difference in sales tax on 
a bill, as this is a reality of life.
Some packages have bugs in rounding, which I need to handle somehow when 
entering the bill.

-- 
John Zoetebier
Web site: http://www.transparent.co.nz