Meaning of Pi Day | Babel Free

Definitions

March 14th, an annual celebration of the mathematical constant π (pi).

Equivalents

Examples

“Did you know⟳ that March⟳ 14 is Pi Day (no, π is not misspelled). Pi Day is celebrated on 3/14 or 3.14! To commemorate this remarkable ratio, we have⟳ a few circular activities. The first is the Pizza Survey. What are the students' favorite toppings on pizza? What do you like⟳ best?”

“As Quakers, we do not as a matter⟳ of religion celebrate⟳ any holidays (more accurately, all days are to be considered holidays because they have⟳ equal potential for revealing the Divine to us), but as a cultural matter⟳ we celebrate⟳ all kinds: Hindu, Christian, Jewish, ethnic, birthdays of famous composers, artists, writers, and scientists, π Day (March⟳ 14th – we bake several pies and divide⟳ them into fractions before eating), even some we just make⟳ up ourselves.”

“Of all known mathematical constants, however, pi continues to attract⟳ the most attention. […] The Exploratorium in San Francisco continues to celebrate⟳ Pi Day on March⟳ 14 each year, starting at 1:59 pm.”

“Whereas Pi can be approximated as 3.14, and thus March⟳ 14, 2009, is an appropriate day for "National Pi Day": Now, therefore, be it / Resolved, That the [United States] House of Representatives— / (1) supports the designation of a "Pi Day" and its celebration around the world; […]”

“Likewise, March⟳ 14 in North America has been π Day, since in the USA the month is written before the day ('314'). In schools throughout North America, it has become⟳ a reason⟳ for mathematical projects, especially focussing on π.”

“March⟳ 14, or 3/14, is recognized by math geeks as Pi day. That happens every year. But as UBS’s Art Cashin notes, next year’s Pi day will be a once-in-a-century Pi day. “At 9:26:53 a.m., they can write⟳ 3/14/15; 9:26:53, which you should also recall⟳ are the first ten digits of Pi in perfect order⟳,” said Cashin.”

“Pi lovers like⟳ to celebrate⟳ Pi Day every year. In the US, they write⟳ the date⟳ with the month first, then the day and year. So in 2015, 14th March⟳ was 3 14 15, the first five digits of π. So that was a really special Pi Day when, of course, they sang their special song, Pi, Pi, Mathematical Pi, to the tune⟳ of that great song everyone danced to in the 1970s, 'Bye-bye, Miss⟳ American Pie' by Don McLean.”

CEFR level