The operation is as follows:

Select the number of steps with the pushbuttons at the top of the page.

Available waiting time is shown in the box below and counted down from now.

Move the marker in the game plan.

Click at the number for the current problem.

The problem is displayed in a new window.

Choose the answer and delete the window.

Fill in the number of the solution before the end of the time.

Return to Main Menu for further questions.