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General => General => Topic started by: Ltin on March 14, 2013, 04:35:12 AM

Title: Happy Pi day!
Post by: Ltin on March 14, 2013, 04:35:12 AM
Here in the US, its national pi day!
Yipeee!
3.1415926535...
Title: Re: Happy Pi day!
Post by: -=(212) Nixo=- on March 14, 2013, 09:16:30 AM
Quote from: Ltin on March 14, 2013, 04:35:12 AM
Here in the US, its national pi day!
Yipeee!
3.1415926535...
And how do you celebrate it :P?
Title: Re: Happy Pi day!
Post by: RepComm on March 14, 2013, 09:24:56 AM
No, I didn't get this from the internet, I memorized it to show off on my friends :P
3.141592653589793
That's what I memorized a couple weeks ago, I'm working on 20 more digits XD
(pointless I know)

Everyone walk in circles!
Title: Re: Happy Pi day!
Post by: Shazam on March 14, 2013, 10:09:26 AM
Quote from: {212} Nixo on March 14, 2013, 09:16:30 AM
And how do you celebrate it :P?

I'm not sure, but I know how I will be celebrating...

[spoiler](https://www.swbfgamers.com/proxy.php?request=http%3A%2F%2Fmedia.egotvonline.com%2Fwp-content%2Fuploads%2F2011%2F03%2FPi-Pie-69299.jpg%3F41ed4f&hash=c197a19083b9f85caed5c5a47a936d3aade3212c)[/spoiler]

:P
Title: Re: Happy Pi day!
Post by: Joseph on March 14, 2013, 10:20:25 AM
Open question: does every finite sequence of digits appear at least once in the decimal representation of pi?
Title: Re: Happy Pi day!
Post by: Led on March 14, 2013, 11:16:10 AM
Considering it is a transendental number, I bet you could find anything you wanted.  Proving it may be more challenging  ;)
Title: Re: Happy Pi day!
Post by: Joseph on March 14, 2013, 11:39:22 AM
Quote from: Buckler on March 14, 2013, 11:16:10 AM
Considering it is a transendental number, I bet you could find anything you wanted.  Proving it may be more challenging  ;)
A normal number is a number whose decimal expression (in any base) is statistically uniform, i.e., no digit occurs more than another on average.

Any normal number has the property that (1) every finite sequence of digits appear at least once in its decimal representation. (from here (http://en.wikipedia.org/wiki/Disjunctive_sequence)) From my googling, pi is widely believed but not proved to be normal.

Moreover, there is an counterexample of a transcendental number which is absolutely not normal (i.e., not normal in any base). (from here (http://en.wikipedia.org/wiki/Normal_number#Non-normal_numbers)) I do not know if this implies that (1) fails.
Title: Re: Happy Pi day!
Post by: Unit 33 on March 14, 2013, 11:48:59 AM
Help, scary mathematics, evacuate the thread!
(https://www.swbfgamers.com/proxy.php?request=http%3A%2F%2Fcontent.ytmnd.com%2Fcontent%2F5%2F4%2F3%2F543fed52268ede434320709d0755ed0f.gif&hash=ff22c8c3d626a7138936012673cd27e3f97f4d20)
Title: Re: Happy Pi day!
Post by: RepComm on March 14, 2013, 12:08:14 PM
Lol Unit, using big words always does make something sound more complex...
My dad does it all the time, but I can always seem to break through it :happy:
Title: Re: Happy Pi day!
Post by: Ltin on March 14, 2013, 01:27:16 PM
Quote from: {212} Nixo on March 14, 2013, 09:16:30 AM
And how do you celebrate it :P?
i eat pie.
Title: Re: Happy Pi day!
Post by: Dbiz on March 15, 2013, 06:51:20 PM
3.14 backwards is PI.E
Title: Re: Happy Pi day!
Post by: Ltin on March 16, 2013, 10:23:33 AM
Quote from: Dbiz on March 15, 2013, 06:51:20 PM
3.14 backwards is PI.E
i saw that a few years ago, and i was like: "THE FABRIC OF THE UNIVERSE HAS BEEN UNLOCKED"
Title: Re: Happy Pi day!
Post by: BlackScorpion on March 18, 2013, 10:45:39 PM
Quote from: UNIT 33 on March 14, 2013, 11:48:59 AM
Help, scary mathematics, evacuate the thread!
(https://www.swbfgamers.com/proxy.php?request=http%3A%2F%2Fcontent.ytmnd.com%2Fcontent%2F5%2F4%2F3%2F543fed52268ede434320709d0755ed0f.gif&hash=ff22c8c3d626a7138936012673cd27e3f97f4d20)

Wait, you're locking this thread?
I don't see any IB4TL material...
Title: Re: Happy Pi day!
Post by: Ltin on March 19, 2013, 02:14:25 PM
Quote from: BlackScorpion on March 18, 2013, 10:45:39 PM
Wait, you're locking this thread?
I don't see any IB4TL material...
he said evacutate, not lock.
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