This was exactly what I was looking for in terms of explaining the component of a coordinate system, the presentation was easy to follow and the info well explained since all the info you went through I had found it through my research on the internet just not describe as well as you did.
![Lp. Сердце Вселенной #60 РОЖДЕНИЕ ЛОЛОЛОШКИ [Финал] • Майнкрафт](http://i.ytimg.com/vi/YoR0pAV9FVQ/mqdefault.jpg)
This was exactly what I was looking for in terms of explaining the component of a coordinate system, the presentation was easy to follow and the info well explained since all the info you went through I had found it through my research on the internet just not describe as well as you did.