This tutorial is a real relief for G8 "integrated" ... parents. Our son graduated from the exercises here and like to learn or deepen the content of the corresponding book for which the school is indeed known to be out of time. It is incredibly clean programmed, produced under XP and Vista no crashes, what can not be said of many other learning programs. There is actually a free support under a real landline number (ie NO 01805-rip off!), What really is a rarity. No, I have no shares of Velcro; -> but am absolutely thrilled!