2.3

1. I just had Math 190, so modular arithmetic is fresh in my mind. I know you probably hate that response, but I suppose I don't know what I don't know and so I can't think about it at a deeper level "at will". This presupposes that you are using this to determine what to emphasize during class time. If you would like to know the hardest aspect anyway, I suppose it would be...I really don't have anything at this point. Stay tuned.

2. One of my math professors said, "Mathematics is an opportunity to be honest with yourself." Like right now, I don't know the ramifications of a prime modulus producing a finite field but I have to assume that these concepts are taught for a) some application which I cannot come up with, or b) as a foundation to more advanced and applicable concepts. The great thing is that in the near future, I will have another tool at my disposal to solve problems. That's cool.