Recent content by headsup

I have a few problems regarding relative velocity vectors in Add math and I was wondering whether someone be kind enough to help me out. I think I understand the concept fairly well , the problem is I seem to have alot of difficulties when it comes to placing the directions accurately . I sent...

The Red Spot Publishing series is not available where I live and despite my attempts to contact them I haven't gotten any replies and really I'm at the point where I don't think I ever will. Could somebody kindly provide any scans from the Additional Mathematics series ? Any will be much...