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Pi is the number you get by dividing a circle's circumference by its diameter. It is irrational. It is 3.1415926535897. Every generation, people figured out another few didgets of pi.

Q: Define Pi and a brief history of Pi?

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There have been many estimations of Pi by many scientists over the years. To answser this questions, more information is needed. You might also see the link on the history of Pi.

the founder of trigonometry, algebra & calculus is a hindu (india) mathematician BUDHAYANA. =]

pi = 3.1415926535897932384626433832795... pi to the tenths = 3.1 pi to the hundredths = 3.14 pi to the thousandths = 3.142 pi to the ten-thousandths = 3.1416 pi to the 10th decimal places = 3.1415926536 etc. ============================

Just divide 56 by pi. Pi is approximate 3.14; or use the "pi" key on your scientific calculator.Just divide 56 by pi. Pi is approximate 3.14; or use the "pi" key on your scientific calculator.Just divide 56 by pi. Pi is approximate 3.14; or use the "pi" key on your scientific calculator.Just divide 56 by pi. Pi is approximate 3.14; or use the "pi" key on your scientific calculator.

d * pi or 2 * r * pi Where d is diameter and r is radius and pi = 3.14159

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This is a link that answers your question. http://www.gap-system.org/~history/HistTopics/Pi_through_the_ages.html

pi is the ratio between the radius and the circumference of the circle if the radius is 1 the circumference is pi

it came from Sir Alan Pi in 1898. he died 1 day after discovering it through being sniped by a Barrett .50cal

a number

pi is a mathematical formula, or 3.14159265389793238462683. it relates to the diameter and circumference of a circle. i don't know the history but im sure its somwhere!answ2. There is currently a proposal to name 2 Pi as Tau, as this aids in many calculations. Watch this space. The ratio of the perimeter to the height of Khufu's Pyramid is 2 Pi.

pie is a pastery or dessert. theres many kinds of pie. but most pie is gross

brief history of personality

A Brief History... was created in 2002.

brief history of philippines

define or and brief on its evolution.

the brief history of librarianship

Wikipedia always has a brief history . you should check that out .