This online teaching is a real chore when you don’t have the notes already made up.
Typesetting in math is a pain in the neck, especially linear algebra.
Today: glorious weather for a 10K walk in 1:29:25 (Cornsalk 5.1 mile course with the Moss part); this was as fast as I walked in a long time. Then again..it still wasn’t very fast (14:25 pace). But it is better than I’ve done recently.