I love reading these articles because it is a win-win: 1. If I already know the tidbit, I give myself a pat on the back 2. If I don't know the tidbit, yay, I

I love reading these articles because it is a win-win: 1. If I already know the tidbit, I give myself a pat on the back 2. If I don't know the tidbit, yay, I learned something. Someday I'll be 100% in the #1. What got me in this article "ch" size. Fact: the heigh/width calculation has changed over the years. It is likely this article captures the final method, let's hope so.