[quote author=yasmine link=topic=52.msg1848#msg1848 date=1192719948]
thank u for ur great Information and ur helps ,so if u know good site for measurment I should be grateful :D


well, i have been posting in my own forum, all the good resources i come across :)
key in a search "measurements"

you can find vectors, Vectors Addition, many interactive learning tools i found all over the net.

need to register to view ! :(