Zooming
There are multiple ways to zoom in or out.
- Click on the Zoom In or Zoom Out toolbar buttons.
 - Go to Window->Zoom->Zoom In or ->Zoom Out menu.
 - ⌘ + to zoom in
 - ⌘ - to zoom out
 - Use the scroll wheel on your multi-button mouse to zoom in or out
 - Right-click or CTRL + click to bring up a context-sensitive menu to zoom in or out
 - The Zoom menu has preset zoom values for 50%, 100%, 200%, and 400%.
 
The current zoom level is displayed in the title bar. The program starts at 100%.