Wednesday was “Pi Day”, because of the date (March 14 = 3.14). Pi is an irrational number, meaning it goes on forever ‑ it has currently been calculated to 22 trillion digits. Do you think continuing to calculate digits of pi is a worthy exploration or a waste of time? Published on March 15, 2018 → Survey conducted on March 15, 2018 on 6215 U.S. adults