When you follow the link above with your browser, you should see Parnas’s article, as well as a button “<” in the upper-right corner. Use the “<” button to expand the annotation sidebar.

You may need to log in to Hypothesis, using the account you created in Reading 1: Who can define the bigger number?.

**Pay attention to this next step**. This is a common mistake that results in many zeros on the assignment. After logging in, you are not done. You still have to expand the drop-down menu “Public” in the top right sidebar, make sure it says “my groups”, and change it to our course group “211”. You belong to this group because you used the invite link in Reading 1: Who can define the bigger number?. If you don’t post to this group, then other students won’t see your annotations, and you won’t get credit.

“I am familiar with DrRacket. Unlike with the SDI software system, it is possible to test DrRacket under realistic conditions prior to its actual use, because…”

or

“I am familiar with my phone’s camera. Like with the SDI software system, it is impossible to test my phone’s camera under realistic conditions prior to its actual use, because…”