- Can have multiple rulers at the same time.
- Horizontal or vertical orientation.
- Has an option to show the measure from the start of the ruler to the mouse position.
- Also an option to show the middle and quarter lengths.

# Mouse shortcuts

- Left click: Click and hold to drag the ruler around. If pressed on the edges of the ruler then it resizes it.
- Middle click: rotate the ruler.
- Right click: open the context menu.

# Keyboard shortcuts

## Ruler window

- ⌘ + ( n )ew ruler --> create a new ruler
- ⌘ + ( c )lose ruler --> close the selected ruler
- ⌘ + ( o )ptions --> open the options window
- ⌘ + ( r )otate --> rotate the ruler window
- ⌘ + ( d )ivisions --> toggle the divisions option

## Options window

- esc key --> closes the window