With this video you'll be able to see how to use the program and the steps that you must follow to realize the last exercise. I hope that it help you and understand well what have to do, if you have some questions don't hesitate to do it in the forum!!!
It's very important that you practise this in your house because it'll be what you'll have to do soon.

If you see down, you can post some comments for my video. It'll be interesting that you write something because you'll help me with the conclusions of my Reserch Project!!!