In mathematics, you don't understand things. You just get used to them. -Johann von Neumann
Sometimes, I have to deal with series: lots of numbers all added together. Some series clearly approach a limit, like the following:
1 + 1/2 + 1/4 + 1/8 + 1/16 + 1/32 + ...
I can visualize this in terms of pies. (What do you want? I'm hungry!) One = one whole pie. So that first number starts me out with…