Feynman had a punchline about physics:x=maths:y and we think it’s only fair that we should be allowed, too, to do some math with our hands.
What happens? Why?
Credits and source attribution
James Tanton, Solve This: Math Activities for Students and Clubs, page 19
(G’day beautiful Australia and Adelaide! South Australia is home to the only palindrome toponym I ever visited. What about you readers?)