# What is "Pi" ?

**Pi** is an irrational number, which can be approximated by fractions of rational numbers. By definition, Pi is the ratio of circumference to diameter of every circle, and is always the same number, no matter which circle you use to compute it.

And can **YOU **name the digits of** pi (π)? How far can you go? Tell us in the comments below. And be honest, please!**

More Info:
en.wikipedia.org

What are your thoughts on this subject?

224 Comments

Edna Sherer

I'm neither and I got it right.

11

Dec 2, 2015 2:47PM

Ben Totuous

3.141592654 approximately.

11

Dec 7, 2015 12:43AM

Mary Anne Hightower

Larry Lane Rude... unless you've ever driven a bus or truck you don't know what's involved. Of course from your comments I thank God you never drove a bus I rode! You also appear too ignorant to even know what Pi is.

11

Mar 10, 2016 1:48PM

James Mohn

Unfortunately you put in 2 basically correct answers and only one could be chosen. I chose the historical one since it carries the most significance. You chose the result of Pi and in truth, your answer is incorrect. Little more research needed! Pi (rather than some other Greek letter like Alpha or Omega) was chosen as the letter to represent the number 3.141592... because the letter [] in Greek, pronounced like our letter 'p', stands for 'perimeter'. So, since early Greek History, Pi is a number used to attain the circumference of a circle!

9

Dec 12, 2015 2:38PM

Tony Gratton

Bus drivers too as I knew it and I drove a bus for many years.

5

Dec 1, 2015 2:47AM

Mark Gavin

Ben Totuous, well done, sir! I would have got 3.14159 but no further!

0

Sep 22, 2021 8:24PM

Andrew King

Wow arn’t you a RSC Mary Anne Hightower,

0

Apr 13, 2020 3:02AM

Mark G. Feeney

Bob Guerrin, there are math proofs that verify it is an irrational number, which, by definition, has no end.

0

Apr 6, 2020 1:58AM

Mark G. Feeney

Patrick Gilmore, 3.14 i could understand. Not 3.41

0

Apr 6, 2020 1:57AM

Mark G. Feeney

Mildred Litke, pi times radius squared is the area of a circle. pi times twice the radius is the circumference. since twice the radius is the diameter then pi times diameter is the circumfrence. divide by diamater and pi equals circumference divided by diameter. hence pi is the ratio of the circumference to the diameter.

0

Apr 6, 2020 1:50AM

Mark G. Feeney

Corky Hays, it is an irrational number. no less a number than 2 or one-fourth or the square root of -1.

0

Apr 6, 2020 1:46AM

Ian Swindale

Was that rant really necessary Mary Anne Hightower (and a few other people) even if the comments from LLR were not exactly what you would expect to see or hear? Surely the whole purpose of these Quizzes is to have some fun and to inform us not to start World War 3

2

Aug 28, 2019 12:04PM

Katy Todd

The comment below is meant for Larry Lane ... further on below. No offense to others, just him.

0

Oct 8, 2017 3:53PM

奇迹

3.1415926535897932

1

Apr 24, 2017 10:56PM

Ann Paoni

I did not do well in this one

0

Apr 6, 2017 7:10PM

Bill Coates

Indefinite decimal equivalent

0

Mar 29, 2017 4:43PM

Eliezer Lived

Pi is equal to 3.1416 not 3.414

0

Mar 26, 2017 12:03AM

Carl Behnke

I got the numbers of Pi mixed up as they look very similar.

1

Mar 22, 2017 6:46PM

Anna Jung

3.1416

0

Mar 18, 2017 10:26PM

Corky Hays

No end . Not an even number

0

Mar 14, 2017 7:26PM

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