Play the USA TODAY Daily Crossword Puzzle. According to NASA, the first official Pi Day celebration was in 1988. It was organized by physicist Larry Shaw at the San Francisco Exploratorium.

WASHINGTON (7News) — It's Friday, March 14 —3/14, the day that every math nerd eagerly anticipates each year. Known around the world as "Pi Day," it’s a time to celebrate one of mathematics ...

Pi Day itself dates to 1988, when physicist Larry Shaw began celebrations at the Exploratorium science museum in San Francisco. The holiday didn’t really gain national recognition until two ...

Friday is the perfect day to celebrate your love of pie – it's Pi Day. Pi is the ratio of a circle’s circumference to its diameter. It's represented by the Greek letter π. And you thought ...

It would be another 30 years before the United States House would pass a resolution officially recognizing March 14 as National Pi Day. Pi, of course, symbolizes the ratio of a circle's ...

This report was updated to include a Pi Day deal from Mountain Mike's. Pi Day, named because it falls on March 14 (think 3.14), is this Friday. Several chains around Reno have deals for pies and ...