| Balls.hs. A canvas where the user can create bouncing
balls by clicking with the left mouse button. Uses periodic execution
to create animation.
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| Calculator.hs. A simple HP-style calculator.
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| Colors.hs. Using sliders to
select a color for the background of a canvas.
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| Fifteen.hs. The 15-puzzle.
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| Fractal.hs. Fractal images
produced by randomly iterating an initial point through affine maps.
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| OPaint.hs. A rudimentary
painting program. Simple geometrical shapes can be created (button 1),
moved (button 2) and raised (button 3). Paintings can be saved to files.
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| ReactionTester.hs. A simple program to test the user's reaction time.
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| Scribbler.hs. An even more
rudimentary line drawing program.
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Solitaire.hs. A version of Klondike. (In subdirectory solitaire.)
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| Sources.hs. A listbox with
file names of the example programs. Double-clicking on an entry opens
a text editor with source code. To illustrate program interaction with
the text editor, some simple editing of the first line can be
done using buttons.
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