This an explanation of the smart-boards. There is a tool-bar over here. It's quite simple. You have the the pen function , eraser function. It's like a very simple uh paint application. Uh , we  well , we use the same file during uh the whole day , and uh you can make new sheets by uh by pu puttin pressing on the blank button. It works like this. Oh.  If pen is selected , yes.
Oh , no no.
With that pen ?
It's not  But it is pen. It's not working like a pen yet.