History of Pi
This famous Egyptian artifact suggests an estimated the value of pi to be 3.16049.
Rhind Papyrus.
Dated around 1650 BC, the Rhind Papyrus was written by a scribe named Ahmes. Ahmes wrote, "Cut off 1/9 of a diameter and construct a square upon the remainder; this has the same area as the circle"
The digits of pi qualify this value to belong to which number set?
Irrational number set
Pi is an irrational number, which means it is not equal to the ratio of any two whole numbers.
How many digits of Pi are there?
An infinite amount
It cannot be quantified (yet). Despite all the computer programs developed we still do not know how many decimal places of Pi there are. Scientists have concluded that it is never ending thus Pi is considered to be an irrational number.
Pi refers to which letter in the Greek alphabet?
P
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 is celebrated on what day of the year?
March 14th
In 2015, Pi Day fanatics had a special treat. Celebrations took place on 3/14/15 at 9:26:53 a.m., the numerical date and time together representing the first 10 digits of pi, 3.141592653.
Who was the father of Pi?
Leonhard Euler.
While not credited with any Mathematical research towards the advancement of Pi it is said that Leonhard popularized the idea of Pi.
The 8th digit of pi is?
5
3.14159265
Pi is a component of this ancient mythology.
Egyptian
People in Egypt believed that the pyramids of Giza were built on the principles of pi. The vertical height of the pyramids have the same relationship with the perimeter of their base as the relationship between a circle’s radius and its circumference.
Who was the first to invent the idea of pie?
The Egyptians
The Ancient Egyptians were the first to invent a dish close to what we know as a pie today. They had a honey filling covered in a crusty cake made from oats, wheat, rye or barley. A recipe for chicken pie was also discovered on a tablet carved prior to 2000 BC.
Who's birthday happens to coincide with Pi Day?
Albert Einstein
Albert Einstein was born at Ulm, in Württemberg, Germany, on March 14, 1879.
Pi has been around for how many years?
4000 years (according to the records)
How many times does the sequence 12345 occur within the first million digits of Pi?
8
In the first million digits but of the eight 12345s three are followed by another 5.
Who is the Prince of Pi?
Larry Shaw
Larry Shaw was the first person to celebrate Pi Day and so has been dubbed the Prince of Pi.
In the mid 14th century the word "pie" was used to refer to?
‘meat or fish enclosed in pastry’
The Oxford English Dictionary records pastry as a word in use by the mid 14th Century and Medieval Latin included the word ‘pie’ , meaning ‘meat or fish enclosed in pastry’ from around 1300.
What is the general date for the "Pi Day of the Century"?
March 14th _ _15
The 2015 Pi Day was called the "Pi Day of the Century," because its date in the day-month-year format was 3-14-15, which gives the first four digits of pi.
In what year was the first Pi symbol used?
1706
Prior to 1706 people would refer to Pi as "the quantity which when the diameter is multiplied yields the circumference". Whelsh Mathematician William Jones was sick of saying this each time and so the symbol was born.
Where is this quotation from "Cross my heart and hope to die, Here’s the digits that make pi, 3.14159265358979323846…."?
The Simpsons
Episode - Lisa's Sax. Al Jean was the writer responsible this mathematical reference into the episode. When he was just sixteen, Al went to study mathematics at Harvard University, where he joined the Harvard Lampoon, a student society that publishes humorous writing.
What was the first estimated value of pi?
3.125
The ancient Babylonians calculated the area of a circle by taking 3 times the square of its radius, which gave a value of pi = 3. One Babylonian tablet (ca. 1900–1680 BC) indicates a value of 3.125 for π, which is a closer approximation.
What ratio is commonly used to demonstrate an estimated value of pi?
22/7 or 355/113.
Pi is actually an irrational number that is most often approximated with the decimal 3.14 or the fraction 22/7.
Pi Day was first celebrated what year?
1988
Pi Day was first celebrated in 1988 in San Francisco, led by Physicist Larry Shaw.
Who is credited with the first calculation of pi?
Archimedes
Around 250 BCE, Archimedes made a major breakthrough in calculating a more accurate value of pi by using the Pythagorean theorem. He approximated the area of a circle by comparing the areas of a polygon inscribed inside the circle and one that surrounded it.
The record for reciting the most digits of pi is?
70 000
Achieved by Rajveer Meena at VIT University, Vellore, India on 21 March 2015. Rajveer even wore a blindfold throughout the duration of his recall, which took an astonishing 10 hours!
The dialect based on Pi is referred to as?
Pi - lish
Also known as “Pi-lish”, where the number of letters in each word match the digit of pi. The first word has three letters, the second has one letter, and so on. Software engineer Michael Keith wrote a book, called Not a Wake in this language.
In medieval times pies were often likened to what modern day item?
Tupperware or a coffin
Spelled coffyn in 12th-century English, referred to self-standing pastry made from flour, water, and sometimes fat. Like a sort of medieval Tupperware, coffins preserved the foods they contained and were rarely eaten. Eventually it evolved to become edible and what we know as pie crust.
What country passed legislature to nationally celebrate/recognize Pi Day?
USA
On March 12, 2009, the U.S. House of Representatives passed a non-binding resolution (HRES 224) , recognizing March 14, 2009, as National Pi Day.