Will, Your paper on Chinese contributions to algebra is good as far as it goes, although there are a few points where your chronology is not exactly right. For example, the Suan shu shu in China was compiled long before the time of Euclid (300 BCE) and Apollonius (roughly 250BCE) in Greece. Also, there actually was a systematic form of writing that was used in the Mycenean period in Greece (up to about 1200 BCE), but it died out and the Greeks only returned to written records around the time of Homer. The main issue I have, though, is that the paper just sort of "peters out" right when you are getting to a very interesting topic (and one that is certainly closer to algebra than some of the other topics you do discuss). I'm referring to your discussion of the Chinese approach to solving simultaneous systems of linear equations, and the similarities between what they did and what we do know with Gaussian elimination, matrices, and so on. I think this would have been an accessible topic to say more about, since I'm sure you did something similar in high school mathematics at some point. The idea is that you can add multiples of one equation in a system to another equation repeatedly to eliminate variables and then solve the system. Here's a simple example. Suppose you want to solve for x, y, z in the equations x + y + z = 1 2x - y + 5z = 1 4x + 3y + 2z = 0 If you subtract 2 times the first equation from the second and four times the first equation from the third, you get a new system in which only the first equation contains the variable x: x + y + z = 4 -3y + 3z = -1 -y - 2z = -4 Then you could continue to eliminate the y in either the second or third equation using the other of those two equations. The point is that the Chinese were doing almost exactly the same calculations, in a similar format in the "Nine Chapters." Katz and Parshall discuss this via an example on pages 87-89, so you had a good source to get started with including more details on this. Was there a reason you chose not to? That would have rounded out your paper and brought you up to the required length too. As it is, you only have about 5 pages. Grade: B