Pi Day is a holiday celebrated on March 14th (3/14) every year. The day is dedicated to the mathematical constant pi (π), which represents the ratio of a circle’s circumference to its diameter. Pi is an irrational number, meaning it cannot be expressed as a finite decimal or fraction, and it has infinite decimal places without any repeating pattern.
Pi Day was first celebrated in 1988 by Larry Shaw, a physicist at the Exploratorium in San Francisco. The first Pi Day celebration at the Exploratorium included a circular parade and the serving of fruit pies. Since then, Pi Day has become a popular holiday among math enthusiasts, educators, and students around the world.
Many people celebrate Pi Day by engaging in activities related to mathematics, such as reciting pi digits, solving math puzzles, or baking pi-themed pies. In some places, Pi Day is also marked by hosting lectures, discussions, or competitions related to math and science.
Pi Day has gained a lot of popularity over the years, and many businesses and organizations offer special deals or promotions on March 14th to celebrate the occasion.
