Interactive Example Problems

These problems are designed to be used interactively using a web browser. In order to be the most benefit you must work along with the examples as you proceed from page to page. If you just passively read the problem solution it will not be as effective.

Each interactive problem starts with a statement of the complete problem. A statement of a problem to solve will be in red. On the first page of a new problem the strategy to use is briefly discussed.

The last section of every page gives a task for you to do to which is a step on the way to the complete solution of the problem.

Below the last section there are up to three choices. You may
  1. Go back to the previous page, if any. Choose this if you want to review previous pages.
  2. Get more help in solving the assigned task. Use this if you need more help in solving the step assigned.
  3. Check the answer you got and start the next part.