Re: If you can't calculate the angles on a 50-cent coin...
> ... throughout the everyday lives of most people...
Absolutely. Maths is the "power tool" of thought. (Philosophy, not so much.)
Heinlein had one of his characters say "a person who can't do maths is not fully human" (I think). Maybe a little extreme... or maybe not.
Biting the hand that feeds IT
