I saw someone joke on Twitter that their anxiety level lately is the first derivative of the graph on the 538 2016 election forecast. So to get that I guess I n

I saw someone joke on Twitter that their anxiety level lately is the first derivative of the graph on the 538 2016 election forecast. So to get that I guess I needed to be able to see that in my head briefly. I think I didn't pick up that skill until calculus which for me at least was 11th grade.