Description: The establishment of a window contains four multi-task simulation program. The first window must show a series of incremental number, the second must show a series of incremental prime number, and a third one must show Fibonacci sequence (Fibonacci series of numbers 0 and 1 starting the first of each number are the first two and a few- that is, 0,1,1,2,3,5,8, etc.). The three windows in the figure stood at the bottom of the window or rolling, or on its own to clear the contents of the window. The fourth window must show the arbitrary radius of the circle, and the process must be a pressing Escape key to terminate.
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