Happy Pi(e) Day! (And a Scrumptious Pecan Pie Recipe)

I loved math in high school.  I'm not kidding, I really did.  And I got As in Algebra, Geometry, and Algebra II, which shouldn't be surprising, because anyone who loves math is probably going to be good at it

So it probably doesn't surprise you that I can remember pi (π) to five places after the decimal: 3.14159.  Or that the area of a circle is equal to πr².  Why I remember those things is beyond me, because in the 40 years since I've graduated from high school, I've never...