About the Tutorial

Exercises and self-assessment tools are included throughout the tutorial.

• All links in the tutorial open a new window, including the exercises, so that you can easily return to the tutorial and follow the instructions as you do the exercises.
  
• Use the page arrows (top right, and at the bottom of longer pages) to navigate through the tutorial.
  
• To resize the tutorial text, click on your browser's 'View' button then go down to 'Text Size' and select an alternative size.