| Name | Description | Features |
+----------------+------------------------------+-----------------------+
| bytedesign | complex classical | :func:`tracer`, delay,|
-| | turtlegraphics pattern | :func:`update` |
+| | turtle graphics pattern | :func:`update` |
+----------------+------------------------------+-----------------------+
- | chaos | graphs verhust dynamics, | world coordinates |
- | | proves that you must not | |
- | | trust computers' computations| |
+ | chaos | graphs Verhulst dynamics, | world coordinates |
+ | | shows that computer's | |
+ | | computations can generate | |
+ | | results sometimes against the| |
+ | | common sense expectations | |
+----------------+------------------------------+-----------------------+
| clock | analog clock showing time | turtles as clock's |
| | of your computer | hands, ontimer |