## Notes ##
+* If the instructions below seem overwhelming, note that it should be possible to do a lot of this course using only demonstration versions of these languages that run in your web browser.
+
* We were updating this page vigorously until about 2:30 pm on Saturday 31
January. Now it is relatively stable, but we'll tweak it as we learn more. We
encourage you to try to get the software set up sooner rather than later, and