Problem rounding total cart

[antonino78]

Hello,
I noticed that in the cart total is incorrect.
There is a problem of rounding.
Watch image.
The version is vm 2.6.0a

A solution for this?

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[Milbo]

Please read http://forum.virtuemart.net/index.php?topic=111470.msg374867#msg374867
and
http://forum.virtuemart.net/index.php?topic=108809.msg367089#msg367089

[antonino78]

Hello Milbo,
Unfortunately, the two topics do not help me. 
When it is not active (Round only display) tax amount is not correct.
When active (Round only display) the total is incorrect.
Look at the pictures.
I noticed that this happens when you increase the quantity of the product.

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[Milbo]

Read again. I cannot say more.