The Online CS Modules contain several interactive animations and applets designed to help illustrate basic Computer Science concepts. The instructions for using these interactive materials are usually included in the lesson text; be sure you read the instructions before using the interactive material. However, many of the animations make use of the buttons whose common functionality is described below.

This button appears only on the title screen for the tutorial animation. Press it to begin the tutorial
This button appears when the animation has completed a particular step in the tutorial, and has paused to see if you wish to go over it again. Press the continue button to proceed to the next step.
This button appears when the animation has completed a particular step in the tutorial, and has paused to see if you wish to go over it again. If you missed something in the last step, press the replay button to view it again.
This button appears only at the end of the tutorial in place of the continue button. Press it to return to the title screen of the tutorial so you may view the tutorial again.