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Forums → The Tavern → How many digits of pi do you know? (also can talk about other things related to pi.)

114 22302
johnmerz
offline
johnmerz
536 posts
Shepherd

3.1415926535897932384626433
That is as far as I can memorize.
25 digits.
A fact about pi:

The decimal representation of Ï truncated to 11 decimal places is good enough to estimate the circumference of any circle that fits inside the Earth with an error of less than one millimeter, and the decimal representation of Ï truncated to 39 decimal places is sufficient to estimate the circumference of any circle that fits in the observable universe with precision comparable to the radius of a hydrogen atom.
I quoted Wikipedia.
  • 114 Replies
nemo12
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nemo12
723 posts
Nomad

So you just "happened" to know 60 digits of pi?!


Na, we had to work it out and show detailed workings. IT WAS HARD! Ahhhh. Im glad I actuall got it correct. My brain was like slush after that test.
johnmerz
offline
johnmerz
536 posts
Shepherd

All I can say: is Wow!!!!
(This is not spam.)

speedy931
offline
speedy931
15 posts
Nomad

Only 3.141 but that's all the digits I need to know

nemo12
offline
nemo12
723 posts
Nomad

Yea, thats how it works in my country, my crazy, messed up but still beautiful country that I love.

Pedro97
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Pedro97
1,868 posts
Jester

I only know 3.141 and I don't think it is necessary to know more, only if you are a mathematic or a math freak.

Squidbears
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Squidbears
626 posts
Nomad

i know 10 digits... because thats all my TI-83 knows
3.141592654....(the 4 is rounded because im pretty sure pi is 3.1415926535.....)

thebluerabbit
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thebluerabbit
5,340 posts
Farmer

i can remember the first 10: 3.141592654 i got bored in math class and my calculator only shows those so i memorized it XP

johnmerz
offline
johnmerz
536 posts
Shepherd

Like I said, I know 25 digits, but my goal for now is 39.

Squidbears
offline
Squidbears
626 posts
Nomad

I dont see the point in memorizing that many digits... i memorized 10 so that i can reduce the round off error when i use pi in calculators... i also memorized 6 digits of e

SupaLegit
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SupaLegit
644 posts
Nomad

Hehe... I have like the first 5 :l

However, Eve Anderson and I have you guys beat by a long shot:
one MILLION digits of pi.

BlazedDragon
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BlazedDragon
3 posts
Nomad

I don't know that much digits of pi, I only know the first six.
3.14159

xeano321
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xeano321
3,152 posts
Farmer

what the heck is pi?


Pi is the circumference of a 1 inch circle, no computer has been able to find the end of the numbers
Maverick4
offline
Maverick4
6,800 posts
Peasant

4...

Oh gosh. :/

Patrick2011
online
Patrick2011
12,319 posts
Treasurer

Pi is the circumference of a 1 inch circle, no computer has been able to find the end of the numbers


There is no end to pi. Pi is an irrational number. Irrational numbers never end and don't have a repeating pattern.
agmisabeast
offline
agmisabeast
56 posts
Nomad

I knew 3.1415927

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