e mouse. Then then axes and all of the constructed objects will also move. Only number objects, term objects and unbound text boxes stay at their respective places: they are not tied to the co-ordinate system but to the window! </P>

<P>You may hide the co-ordinate system, but it is <B>always available</B>. This means that you can construct a point with determined co-ordinates even if no co-ordinate system is displayed. Furthermore, the co-ordinate system cannot be deleted. </P>

<P>Changing the drawing's s