NON DISPONIBILE PER KINDLE E-INK, PAPERWHITE, OASIS.

In U.S. English, we can write March 14 like this: 3 1 4
These are also the first three digits of the constant known as Pi, p, the most famous number in the history of mathematics.
What better occasion to celebrate math and discover what a huge role it plays in our lives?
… HAVE FUN!