Pi day.
Hello Everyone My Name is Vivek Chaturvedi. I am writing a blog about Pi day.
Pi day is observed on 14 March annually and also on this date Albert Einstein was born. It was founded in 1988 by a physicist Larry Shaw. In mid 18th century pi has also been represented by the Greek letter π. Let us study more about pi, its history, invention and some interesting facts about it.
Pi is the symbol used in mathematics to represent a constant — the ratio of the circumference of a circle to its diameter — which is approximately 3.14159. Pi Day is an annual opportunity for math enthusiasts to recite the infinite digits of Pi, talk to their friends about math, and eat pie.
Do you know that Pi is an irrational number i.e. a real number that cannot be expressed by a simple fraction? According to mathematician pi is also known as an infinite decimal which means that after the decimal point, the digits go on forever and ever.
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.
To approximate circles, the mathematician Archimedes used polygons with many sides and determined that Pi was approximately 22/7. In 1706, the Greek symbol π was first used by William Jones. Do you know that a 'p' was chosen for 'perimeter' of circles and so π became popular and was adopted by the Swiss mathematician Leonard Euler in 1737?
On March 12, 2009, the U.S. House of Representatives passed a non-binding resolution (111 H. Res. 224), recognizing March 14, 2009, as National Pi Day. For Pi Day 2010, Google presented a Google Doodle celebrating the holiday, with the word Google laid over images of circles and pi symbols; and for the 30th anniversary in 2018, it was a Dominique Ansel pie with the circumference divided by its diameter.
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, and later that second Pi Instant represented all of π's digits.
Who is the official sponsor of Pi Day?
Mometrix is a test preparation company that has created and curated the world’s largest collection of educational materials for helping individuals pass high-stakes standardized tests.
They pride themselves on producing the very best content for exams and certifications across the country. What they care about even more, however, is empowering individuals across the nation to achieve their dreams. In fact, creating “prep that empowers” is in their company’s DNA.
Mometrix’s goal is for their study materials, coupled with diligent effort, to empower a test-taker to attain the highest score within their ability to achieve. Mometrix prepares people to achieve their dreams by helping them overcome the testing hurdles necessary for them to get where they want to be.
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.
- Various other names of Pi are Ludolph's Number, Archimedes constant, Circular constant, etc.
- In 1706, William Jones introduced the symbol of Pi and was popularised by Leonhard Euler in 1737.
Pi is very helpful to calculate the distance between Earth and son. Pi is helping scientist to explore Universe.
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