Using the ruler
You can insert a ruler into a page, and then manipulate its size, length, rotation and location, and draw along its edges.
To insert a ruler
Press Measurement Tools 
, and then press Ruler 
.
A ruler appears.
To move the ruler
Press the middle of the ruler (displayed as a darker shade of blue), and then drag the ruler to a different position on the page.
To resize the ruler
-
Select the ruler.
-
Drag the ruler’s resize handle (the circle in the lower-right corner) to increase or reduce the ruler’s size.
To lengthen the ruler (without changing its scale)
Press the ruler’s far edge, between the menu arrow and the resize handle, and then drag away from the ruler.
To shorten the ruler (without changing its scale)
Press the ruler’s far edge, between the menu arrow and the resize handle, and then drag toward the middle of the ruler.
To rotate the ruler
Press the top or bottom edge of the ruler (displayed as a lighter shade of blue), and then drag the ruler in the direction you want to rotate it.
The ruler displays the current rotation in degrees.
To reverse the measurements
Press the ruler’s flip symbol 
.
If the metric measurements appeared on the top edge of the ruler, they now appear on the bottom edge and vice versa.
To draw using a pen and the ruler
-
Press Pens 
, and then select an available line type.
-
Draw along the edge of the ruler.
Digital ink appears in a straight line along the edge of the ruler.
To remove the ruler
-
Select the ruler.
-
Press the ruler’s menu arrow, and then select .
SMART Notebook 10.8 for Windows operating systems
