Flexcil provides a powerful toolkit that allowes users to make personalized and diverse annotations efficiently.

Eraser

• Tap Eraser icon to select and delete handwriting.
• Tap it again to modify the eraser：    

a)   Eraser size
b)   Clear Left Page / Right Page / Notes
c)   Auto-Deselect:  after using it once, deselect the Eraser mode automatically

• Use the Eraser Gesture: draw a dense ZigZag line over handwritings you wish to delete.
  (The handwriting mode gesture erase function can be enabled in the options of the document viewer.)

Ruler

• Tap the Ruler icon to draw straight lines.

Shape–Triangle Ruler

• Tap the Triangle Ruler icon to draw shapes made up by straight lines. You should connet the points and lines to form a shape.