Here’s a clue, Eddie: the first is a re-write of Einstein’s famous equation, as ‘find M=’. The expressions each find a letter, the first being “M”
I always knew there was a reason why I turned Hahvard down, and went to MIT instead, :)
I am a victim of the "New Math" they tried to cram down our throats in the early 60's. I went from "A"s in math to never better than a C almost all the way through college. I was hopelessly behind until they started letting us use electronic calculators.