Study Guide

There are so many pages in this web site that you may not know where to start. Our suggestion:

Start with the Tutorials section. We suggest you follow the order of the tutorials:
While working the tutorials you should practice using the related exercises. For example, while reading the Intervals tutorial, work the intervals exercises. Set the options to a very easy level and then increase the difficulty.
Use the Reference section for more information about the topic your are working.