Pan
The plot window can be panned. This is useful when the scene is magnified and you would like to look at a different portion of the object. To use this feature, click the View | Pan command. Click and hold the left mouse button and drag the cursor around the window to pan. Exit pan mode by pressing ESC, clicking View | Pan again, clicking the zoom In, Out, or Rectangle command, or clicking a Draw command.
Pan with a Wheel Mouse
You can use a wheel mouse to zoom in
or zoom out and pan in the plot window
and grid window. Rotate the wheel forward to zoom in, or rotate the wheel
backward to zoom out. Hold down the wheel button straight down, and the
cursor will turn to a closed hand. When the cursor is a 
, drag the mouse to pan the plot window.
Be sure to click straight down with the scroll wheel. The zoom is changed
so that the cursor location remains on the screen.