[Buttons12]

Bizarre, disjointed stuff. But something's there. Got more out of it reading the paragraphs in reverse order.

You're lucky. I had to hang upside down.

[TStro]

During my engineering studies, they stuck a class in between calculus called elementary functions. I aced all the math courses, they were easy for me. But elementary functions kicked my butt. This sounds like what we studied. Late 70’s