I don't have to imagine. I worked as an electrical engineer before I got into computers. All I needed was a HP-45 calculator. Designing, documenting, building m

I don't have to imagine. I worked as an electrical engineer before I got into computers. All I needed was a HP-45 calculator. Designing, documenting, building major infrastructure projects worked very well without computers. So I'm sure we could do the same all over if it came to that.