Yahoo! JAPAN

Pi Day is observed on March 14 (the 3rd month) since 3, 1, and 4 are the first three significant figures of π, and it was first celebrated in the United States.

2018/3/14 -March 14 is Pi Day 2018 — pi, not pie — and Google is marking the 30th anniversary of the math-inspired holiday with a special Doodle.

Enthusiasts around the world, celebrate Pi Day on March 14 or 3/14 — the first three digits of an infinite number with many practical uses, the date coincides ...

Pi Day is celebrated on March 14th (3/14) every year, with Pi Day 2018 falling on a Wednesday. To celebrate, the L-Tron team shared lots of pie (obviously).

2018/3/14 -Happy Pi Day! Celebrated each year on March 14th (3.14), Pi Day is dedicated to the mathematical constant, Pi. First recognized 30 years ago ...

2024/3/14 -March 14 (3/14) is a day for celebrating the mathematical constant of pi, which starts with the digits 3.14. Those numbers aren't the only ...

2018/3/9 -The March 14 holiday is celebrated around the world by math enthusiasts and casual fans alike – from memorizing digits of pi (the current Pi ...

2024/3/14 -Every March 14 (3/14), mathematicians, scientists and math lovers around the world celebrate Pi Day, a commemoration of the mathematical ...

2018/3/14 -Pi Day Fun Fact: Pi Day is celebrated around the world on March 14 or 3.14 and officially kicks off at 1:59 pm. Now do the math: when combined ...

2024/3/14 -Pi Day was a celebration of the number Pi (3.14) on March 14th. It was the first ever Pi Day celebration.