Math in pictures

(1)

Sine on the side of a building in Pittsburgh, PA.

http://maa.org/FoundMath/11week09.html

(2) 42

The 3 × 3 × 3 magic cube with rows summing to 42.

(3) Fibonacci

Chimney of Turku Energia, Turku, Finland featuring Fibonacci sequence in 2m high neon lights. By Italian artist Mario Merz for an environmental art project (1994)


Sine on the side of a building in Pittsburgh, PA.

http://maa.org/FoundMath/11week09.html

(4) Dunbar's number