You can set several graphs on the same view. Just use the Add button when you are in List mode. You can set each graph its own color.

The view can be zoomed and moved with the mouse. Using the wheel you can zoom in and out. You can also select an area with the left button of the mouse and this area will be zoomed in. Move the view with the arrow keys.

In the List tab, you can open a context menu with a right mouse button click on a function and hide or remove it.

In the 2D Graph menu you find these options: