Natural Blogarithms

What?  You think I know how?  Uh, I don’t think so.  But check out this guy:  The world’s fastest human calculator broke his own record by using nothing but brain power.
How long did it take him?  70 seconds
Alexis Lemaire, a 27-year-old Frenchman, correctly calculated the 13th root of a random 200-digit number from a [...]

I have decided to return to full-time teaching.  Fortunately, Wayland had not filled my position so I will be returning to teach there in the Spring.  I am being hired to teach partly in traditional face-to-face classes and partly online.  Each semester, I will teach a couple of courses online and a couple of classes [...]