A mathematician can be like the strategist.
A young man and young woman sit at a table next to you.
You say, "What's the ratio between me and you?"
As a college kid, at the bar, you can say id rather have one big strong drink then two weak ones.
Pi divided by two isn't very close to the euler constant, but its close to the Golden Mean. Sequences and series are the study of you first calculus one class. Later, as an engineer, you may learn the expression KISS. The national society of black engineers knows this well.
During Christmas, remember that polynomial arithmetic is great! It gives birth to more advanced theories.