Several national retailers are offering Pi Day discounts and special deals on March 14 to celebrate the mathematical holiday.

Pi Day was first celebrated in 1988 at San Francisco's Exploratorium, a museum of science and technology that encourages visitors to be hands-on.

Exploratorium employees say this year’s Pi Day — the annual March 14 celebration honoring the number and its associated Greek ...

March 14 — a day you’re more likely than most others to eat — or throw — a pie and get a reduced price on your pizza. It’s all in celebration of pi (Greek letter π), the mathematical constant and ...

WEST PALM BEACH, Fla. — 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 ...