Someone else solved the problem – no need to reply
Update learning plan - replied about YESNO in Feb.

https://groups.google.com/g/fallible-ideas/c/iSJI00UfYno/m/GOmMJU_jAgAJ
Remove mistaken attribution
Update to cover the month of Jan 2021. Remove some stuff
Remove two items I'm setting aside
Update learning plan for Nov 2020
Add postmortem and remove message to reply to
Add Wolfram Alpha link for posting streak calculation
Add more recent messages I have yet to reply to
Add sanity checking of math calculations
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