198A.D.
Archimedes
762 is when the decimal of pi had the earliest occurrence of the string 999999. Pi has been represented by a Greek letter since the mid 19th century.
If the diameter of a circle is 1 then its circumference is pi. The value of pi 3.1415926535897932384626433832795028841971693993751058209749445 923078164062862089986280348253421170679821480865132823066470938.... The earliest evidenced conscious use of an accurate approximation for the length of a circumference with respect to its radius is of 3+1/7th in the designs of the Old Kingdom pyramids in Egypt. Until the second millennium, it was known to fewer than 10 decimal digits.
The longest known value of pi is now into the hundreds of billions of digits.
The first reference was in 1352
The earliest known textually evidenced approximations of PI date from around 1900 BC. They are found in the Egyptian Rhind Papyrus.
198A.D.
3.14159265">the number pi is equal to is 3.14159265
Archimedes
suck it
The earliest mention of pi comes from over 4000 years ago: the ancient Babylonians calculated the area of a circle by taking 3 times the square of its radius. One Babylonian tablet (ca. 1900-1680 BC) indicates a value of 3.125 for pi.
-23
762 is when the decimal of pi had the earliest occurrence of the string 999999. Pi has been represented by a Greek letter since the mid 19th century.
The earliest signs of the use of Pi was in the designs of the Old Kingdom pyramids in Egypt. Many divide the history of Pi into three periods: The ancient period during which Pi was studied in a geometrical manner, the classical era when Pi was fully developed after the creation of calculus in the 17th century and, most recently, the age of digital computers.
a number
Pi (π) is a mathematical constant representing the ratio of a circle's circumference to its diameter. It is an irrational number, which means it cannot be expressed as a simple fraction and has infinite decimal places (approximately 3.14159). The concept of pi has been known for thousands of years and has been studied extensively throughout history by mathematicians from various cultures. One of the earliest recorded approximations of pi was by the ancient Egyptian mathematician Ahmes around 1650 BCE, but the symbol π was first used by the Welsh mathematician William Jones in 1706.