By default, all notes on tick ninja must be read online. This can be very troublesome for students. Hence, we have created an extension that allows students to easily download notes from tick ninja. We believe educational resources should be free and open. If there are any other sites that is very difficult to download study notes, please write to us. If you want to download more study notes, please go to sgfreepapers.com. How To Use? 1. Download the extension 2. There will be a pink 'Download' button that will appear on bottom right of pages that contain study notes. Click on the Download button. 3. A print dialog will appear. Click 'Save as PDF'.