Incessant Gibbers

(click to enlarge)

Can there be a better geeky explanation that this?

The equation that shows X as a fraction quite cool if you think a little more about it.

BTW, fortunately the exit door in my class coincided with the back row, which made it much easier to escape during the class from the back row For seminars I guess I’ll prefer the back or near exit too, just in case.