Pi, which is the ratio of a circle's circumference to its diameter, is celebrated with its own holiday on March 14.

WEST PALM BEACH, Fla. (AP) — Math enthusiasts around the world, from college students to rocket scientists, celebrate Pi Day, which is March 14 or 3/14 — the first three digits of an infinite number with many practical uses. Many people will mark the day with a slice of pie — sweet, savory or even pizza.

Years ago, the infinite decimal 3.14 or its Greek symbol pi was mostly known to math and science geeks, but now March 14 is also a day for tasty deals. Here’s a little history to whet the appetite. The first “Pi Day” celebration was held in San Francisco in 1988 when a physicist at the Exploratorium,

Pi Day, celebrated on March 14, honours mathematical constant Pi, recognising its significance in mathematics, particularly in circle calculations, and promoting interest in learning and practising mathematics through various events and activities.

Pi Day, celebrated on March 14 each year, honors the mathematical constant π with plenty of deals on sweet and savory pies, making it a perfect day for math lovers and food enthusiasts.

Nonno’s Pizza at 1613 Richmond Ave will celebrate Pi Day with deals from 11 a.m. to 11 p.m. Friday. Dine-in pizza lovers can enjoy free games⁠, half-off wings⁠, drink specials⁠ and $10 cheese pizzas⁠.⁠

Pi, defined as the ratio between the circumference of a circle and its diameter, is what's known as an irrational number. Despite its ubiquity, not only across math but also in fields as varied as medicine,