And I meant to say - I hate teachers like the one you had! I was blessed by some of the best people all the way through my school days - University was a different matter!

I vividly remember Danny Holden, my Applied teacher, taking his tie off, attached his hole punch, and whirling it around in explanation because I was struggling with picturing the forces with were at work when things moved in a circle...

(I still didn't really get it, but I knew enough to gain a little credit in the exam. My forte was probability and statistics. My tree diagrams were legendary! )