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Happy National Pi Day 2021 : Theme, Quotes, Speech, Symbol, Facts, Memes, Celebration & Significance

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14th March World, International & National Pi Day (पाई दिवस) 2021 : Invention, Date, Memes, Theme, Quotes, Poster, Slogan, Logo, Wishes, Significance, Facts, History, Objectives, Importance, Symbol, Pictures, Images, Greetings, Messages, Symbol, Quiz, Campaigns, Speech, Info-graphics, Celebration and Awareness Program in Hindi, English.

Pi Day 2021 

Pi Day 14 March 2021 : Celebrated in countries that follow the month/day (m/dd) date format, because the digits in the date, March 14 or 3/14, are the first three digits of π (3.14), Pi Day was founded by Physicist Larry Shaw in 1988.

Pi Day: History
In 1988, the earliest known official or large-scale celebration of Pi Day was organized by Larry Shaw at the San Francisco Exploratorium, where Shaw worked as a physicist, with staff and public marching around one of its circular spaces, then consuming fruit pies. The Exploratorium continues to hold Pi Day celebrations.

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The entire month of March 2014 (3/14) was observed by some as “Pi Month”. In the year 2015, March 14 was celebrated as “Super Pi Day”. It had special significance, as the date is written as 3/14/15 in month/day/year format. At 9:26:53, the date and time together represented the first 10 digits of π.

About Pi Day
Pi Day is an annual celebration of the mathematical constant π (pi). Pi Day is observed on March 14 (3/14 in the month/day format) since 3, 1, and 4 are the first three significant digits of π. In 2009, the United States House of Representatives supported the designation of Pi Day.

Pi Approximation Day is observed on July 22 (22/7 in the day/month format), since the fraction ​22⁄7 is a common approximation of π, which is accurate to two decimal places and dates from Archimedes.

Two Pi Day, also known as Tau Day for the mathematical constant Tau, is observed on June 28 (6/28 in the month/day format).

Pi Day 2021 : Date, Theme, Quotes, Significance, Fact & Figures
Name of Day (Event) World Pi Day (WNTD)
Pi Day Meaning in Hindi पाई दिवस
Name of Organisation United Nation
Official Website https://www.piday.org/
Celebrations Pie eating, discussions about π
The first Pi Day 1988
Observed on March 14
Significance 3, 1, and 4 are the three most significant figures of π in its decimal representation
Observed by India, All World
Pi Day 2021 Date March 14, 2021
Pi Day 2022 Date March 14, 2022
Some interesting facts about Pi
– Pi is an irrational number that is it is not possible to calculate Pi by dividing an integer by any other number.

– Pi is a never-ending and never-repeating number.

– The symbol of Pi has been in use for about 250 years.

– As the value of Pi is never-ending so we can’t find the true circumference or area of a circle.

– In Greek alphabets, Pi is the sixteenth letter and in English also p is the sixteenth letter.

– Pi is the ratio of a circle’s circumference to its diameter.

– In the 19th century, William Shanks calculated the first 707 digits of Pi by hand but unfortunately, he made a mistake after 527th place.

– A Japanese scientist, breaking all the previous records, with the help of Hitachi SR 8000 which is a powerful computer found 1.24 trillion digits of Pi.

– Pi is mentioned in the Bible.

– In ancient times, Archimedes is the first person who studied about Pi.

–  Albert Einstein was born on Pi Day.

– There are no zeros in the first 31 digits of Pi.

Pi Day Symbol
Pi symbol was used, pi was described as “the quantity which, when the diameter is multiplied by it, yields the circumference” and other long, roundabout descriptions.
Symbol Logo
Pi Day Celebration & Observance
Pi Day has been observed in many ways, including eating pie, throwing pies and discussing the significance of the number π, due to a pun based on the words “pi” and “pie” being homophones in English ( /paɪ/), and the coincidental circular shape of many pies. Also, some schools hold competitions as to which student can recall pi to the highest number of decimal places.

 Most Interesting Pi Facts
1. The symbol for Pi has been in use for over 250 years. The symbol was introduced by William Jones, a Welsh mathematician, in 1706. The symbol was made popular by the mathematician Leonhard Euler.

2. Since the exact value of pi can never be calculated, we can never find the accurate area or circumference of a circle.

3. March 14 or 3/14 is celebrated as pi day because 3.14 are the first digits of pi. Math nerds around the world love celebrating this infinitely long, never-ending number.

4. Physicist Larry Shaw started celebrating 14 March as Pi day at San Francisco’s Exploratorium science museum. There he is known as the Prince of Pi.

5. The calculation of pi is a stress test for a computer. It works just like a digital cardiogram since it indicates the level of activity within the computer’s processor.

6. Givenchy sells a men’s cologne with the name ‘Pi’. The company markets this product as capable of enhancing the attractiveness of intelligent and visionary men.

7. The Greek letter π is the first letter of the word periphery and perimeter. And as we all know, pi is the ratio of a circle’s “periphery” to its diameter.

Pi Day Quotes
1. “Learn from yesterday, live for today, hope for tomorrow. The important thing is not to stop questioning.” – Albert Einstein

2. “In considering any new subject, there is frequently a tendency, first, to overrate what we find to be already interesting or remarkable; and, secondly, by a sort of natural reaction, to undervalue the true state of the case, when we do discover that our notions have surpassed those that were really tenable.” – Ada Lovelace

3. “Tact is the art of making a point without making an enemy.” – Isaac Newton

4. “To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact.” – Charles Darwin

5. “If it’s a good idea, go ahead and do it. It’s much easier to apologize than it is to get permission.” – Grace Hopper

6. “Intelligence is the ability to adapt to change.” – Stephen Hawking

7. “There is no shortcut to achievement. Life requires thorough preparation – veneer isn’t worth anything.” – George Washington Carver

8. “Life is not easy for any of us. But what of that? We must have perseverance and above all confidence in ourselves. We must believe that we are gifted for something and that this thing must be attained.” – Marie Curie

9. “No one is dumb who is curious. The people who don’t ask questions remain clueless throughout their lives.” – Neil deGrasse Tyson

10. “Somewhere, something incredible is waiting to be known.” – Carl Sagan

Pi Day Slogans & Sayings

Pi: it’s what makes the world go round

I love Pi

It’s easy as pi

Its pi day, its pi day! gotta get down on pi-day!

Got pi?

Any Day’s Better with a Little Pi

I hated Math then I found out about Pi

Happy Pi Day

Be rational, Get real

Be irrational, celebrate Pi Day

Ultimate Pi Day

It’s as easy as 3.14

Q.T. Pi or Cutie Pi

Pi makes the world go ’round

I like Pi

Pi-rate (pirate)

Legendry Pi Day

Pi Day Pie Party!

Simple as 3.1415

Keep calm and love Pi

Keep calm, it’s Pi day

Live and let π

Keep calm & celebrate Pi day

Happy Pi Day Images & Pictures

Happy Pi Day Memes

Happy Pi Day from President Obama

Pi pie in honor of Pi Day

It's Pi Day, Pi Day

Important Days in March Month 2021 Important Day, Festivals and Jayanti

Frequently Asked Questions :

Ques 1. What is π (Pie)?

Ans. Divide any circle’s circumference by its diameter; the answer (whether for a pie plate or a planet) is always approximately 3.14, a number we represent with the Greek letter π. Keep calculating π’s digits with more and more accuracy—as mathematicians have been doing for 4,000 years—and you’ll discover they go on literally forever, with no pattern.

Ques 2. Why is this symbol used to represent pi?

Ans. The use of pi is dated back to the Babylonians about 4,000 years ago with calculations for the area of a circle. At that time, an approximation of “3 times the square of the radius of the circle” was used, which returned a value of pi = 3. Egyptian mathematicians approximated pi with a bit more precision at 3.1605, as indicated in the Rhind Papyrus, which dates back to 1,650 B.C. In the 1700’s, the Swiss mathematician and physicist named Euler formalized the use of the Greek lowercase letter, π, as the notation for pi. This is the first letter of the Greek word, perimetros, which loosely translates to “circumference.”

Ques 3. When was the first Pi Day celebrated?

Ans. The first Pi Day was Celebrated on 1988.

Ques 4. Where is PI Day celebrated?

Ans. There is no specific location where this holiday is celebrated.

Ques 5. What is the official animal of Pi Day?

Ans. The pi-thon. The mathematician says, “Pi r squared.” The baker replies, “No, pies are round. Cakes are square.”

Ques 6. What does the symbol pi mean?

Ans. π Definition: Pi is a number – approximately 3.142. It is the circumference of any circle divided by its diameter. The number Pi, denoted by the Greek letter π – pronounced ‘pie’, is one of the most common constants in all of mathematics. It is the circumference of any circle, divided by its diameter.

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