What rounding options do you use?

[30knees]

I have some 1 cent problems for invoices compared to calculations in accounting software. What rounding options do you use? I had "round up away from zero" and "round each line". I'm now testing "round each item". I'm also asking what rounding system my accounting software uses.

[DRMasterChief]

we use round each line / each item  and i also double check the price for each item to get the right amount with rounding  (depends on the fifth or sixth decimal place sometimes),  no problems so far.