The Toolbars | The Status Bar

#
The Rulers

There are two
. The horizontal ruler positioned above the
which marks out the x-ticks, and the vertical ruler positioned to the left of the canvas which marks out the y-ticks. Note that the origin starts at the top left of the canvas. The gap between tick marks can be changed using the Settings->Grid->Grid Settings... menu item.

You can show or hide the rulers using the menu item Settings->Show Rulers.