How many digits of pi do you know?
Less than 10  19%  [ 4 ]
10-49  61%  [ 13 ]
50-99  9%  [ 2 ]
100-499  9%  [ 2 ]
500-999  0%  [ 0 ]
1000+  0%  [ 0 ]

How many digits of pi or tau can you go? I've heard that Kerm has 50, others have 500, so list them here!

I personally know 3.1415926535897932 .

Note: If you know less or equal to 50 digits, than feel free to post them on here. But if it's more than 50,please do not post all of the digits.

If you want to learn more digits of pi, go here. For a MILLION digits of pi, go here.
Heretic. Tau is the one true circle constant.
I personally know exactly 10 dihits of Pi and none of Tau (Didn't know 2Pi has a special name so in fact I don't know Tau at all.)

Pi = 3.141592653
I know 3.1415926535...
I can do 3.141592653589793238462643383279 from memory. My friend can do like 150 digits though... crazy.
you have heard correctly that I know slightly north of 50 (I think it was 53 at last count?). I won some cool Pi Day pencils, a TI shirt, and a slice of pizza "pi" at T^3 2015 for it, in fact, although I was far below the person who memorized the most.
CharlesSprinkle knows a boatload of pi digits, where is he?

I know about 22, it's enough precision to do mathematical things or impress a girl without weirding her out .
I know a few, somewhere around 50 of pi and none of tau but I could probably work them out in a pretty small amount of time just knowing the digits of pi that I know...
Anyways, here are the ones I know... I might have made a mistake or two cause I haven't thought about them in a long time!
3.141592653589793238462643383279502884197169399
In my long-term memory, I have embedded 314 digits of pi. I'm not joking about the 314 joke-- that's why I intentionally memorized 314. I mean, I probably have somewhat forgotten especially the last 100 of those, but if I quickly glanced at the digits again for 5 minutes, I'd be able to recover all 314 since it's in my longer term memory.

The story behind my memorization of pi came in 8th grade when I was taking a geometry class at the nearby high school, and had overheard they were having Pi Day festivities, including memorizing digits of pi. I was all over that, and to help memorize the digits, I found an online game called Pi Runner. (I was able to play this right now and after about 4-5 tries of making silly mistakes, I got about 211 digits)
The weird thing about this game, is that you can actually accidentally memorize pi into your muscle memory. What I mean by this, is that if you use a numberpad so the layout is something like
7 8 9
4 5 6
1 2 3
0
then, it's kind of like a dancefloor, and your fingers are doing the dancing, memorizing the dance moves to the digits of pi. So, I had not only memorized the actual numbers, but I would like to further say that my memorization is greatly aided by the muscle memory I still have even to this day of pi. I actually can play the game of Pi Runner quite fast, and without even thinking of the digits of pi, since my fingers automatically punch in the numbers... it's really weird being able to type in pi without thinking of pi itself.
Anyhow, this is what I did to memorize it, in addition to breaking up pi digits into strands of numbers. To give you an idea of how I break it up, here is how I have grouped the first 50 digits after the decimal point--

3. 1415 92 6535 8979 3238 46264 33832 79502 8841 971 693993 7510

So, if you tell me the strand of numbers: 8979 (see above), I'll recognize where it is in the sequence, and will be able to relatively easily pick up where you left me off at 8979. However, let's say you shift that strand over by 2 digits, and you instead give me 7932, I won't have a clue what you're talking about, or where that is, even though 7932 exists in between the 2 strands, 89[79 32]38. I must know the digits of a strand I memorized, or I won't recognize it. That said, if for some reason, I lose momentum in either reciting the digits of pi, or typing it on the numberpad, I can actually get very stuck if I stop in the middle of a strand, versus stopping between two strands of numbers.

Notice that I also try to group numbers together which are easier to remember, and less random, such as 1415, or 6535, or 8979, or 693993. I'll end up with some less preferred strands, but I see this as much better than using fixed lengths of like 4 digits, since you tend to get random numbers in each strand with no easy way of remembering it.

So, for the first year I did that competition, I had gotten really stuck in a couple of places, like I completely stopped reciting digits for like 1 or 2 minutes at some point because I got trapped in the middle of a strand, but I eventually powered through and successfully completed 314 digits. The person hosting the festivities had given me the title "decimal mover" because of my 314 digits. I ended up winning, with 2nd place coming in at like 137 digits, and had won a \$5 Starbucks gift card... meh.

*The next year*, I was no longer in the district, so I couldn't participate, but they invited me to be a judge for the pi reciting table. Someone that year had memorized like 90 digits of pi, and won a TI-84+ Silver Edition graphing calculator... WHAT. And I got a \$5 Starbucks gift card the previous year. I mean, it was their first time doing it when I did it, so I suppose I understand, but like WHAT? haha. I don't even.
That year, I had decided to do 3 times the number of digits, bringing my total to 942. Of course, it was short-term memory though.
The following year in my 10th grade year, I had decided to do the unthinkable, and be White And Nerdy by memorizing 1000 digits of pi -- "know pi to a thousand places". Again, it was in my short term memory, which I could recite on that day, but quickly disappeared thereafter. Only 314 digits are still in my memory to this day, which I do intend to brush up on every year to keep it fresh (:
I'm now at 32 digits :
3.14159265358979323846264338327950
CharlesSprinkle wrote:
In my long-term memory, I have embedded 314 digits of pi. I'm not joking about the 314 joke-- that's why I intentionally memorized 314. I mean, I probably have somewhat forgotten especially the last 100 of those, but if I quickly glanced at the digits again for 5 minutes, I'd be able to recover all 314 since it's in my longer term memory.

The story behind my memorization of pi came in 8th grade when I was taking a geometry class at the nearby high school, and had overheard they were having Pi Day festivities, including memorizing digits of pi. I was all over that, and to help memorize the digits, I found an online game called Pi Runner. (I was able to play this right now and after about 4-5 tries of making silly mistakes, I got about 211 digits)
The weird thing about this game, is that you can actually accidentally memorize pi into your muscle memory. What I mean by this, is that if you use a numberpad so the layout is something like
7 8 9
4 5 6
1 2 3
0
then, it's kind of like a dancefloor, and your fingers are doing the dancing, memorizing the dance moves to the digits of pi. So, I had not only memorized the actual numbers, but I would like to further say that my memorization is greatly aided by the muscle memory I still have even to this day of pi. I actually can play the game of Pi Runner quite fast, and without even thinking of the digits of pi, since my fingers automatically punch in the numbers... it's really weird being able to type in pi without thinking of pi itself.
Anyhow, this is what I did to memorize it, in addition to breaking up pi digits into strands of numbers. To give you an idea of how I break it up, here is how I have grouped the first 50 digits after the decimal point--

3. 1415 92 6535 8979 3238 46264 33832 79502 8841 971 693993 7510

So, if you tell me the strand of numbers: 8979 (see above), I'll recognize where it is in the sequence, and will be able to relatively easily pick up where you left me off at 8979. However, let's say you shift that strand over by 2 digits, and you instead give me 7932, I won't have a clue what you're talking about, or where that is, even though 7932 exists in between the 2 strands, 89[79 32]38. I must know the digits of a strand I memorized, or I won't recognize it. That said, if for some reason, I lose momentum in either reciting the digits of pi, or typing it on the numberpad, I can actually get very stuck if I stop in the middle of a strand, versus stopping between two strands of numbers.

Notice that I also try to group numbers together which are easier to remember, and less random, such as 1415, or 6535, or 8979, or 693993. I'll end up with some less preferred strands, but I see this as much better than using fixed lengths of like 4 digits, since you tend to get random numbers in each strand with no easy way of remembering it.

So, for the first year I did that competition, I had gotten really stuck in a couple of places, like I completely stopped reciting digits for like 1 or 2 minutes at some point because I got trapped in the middle of a strand, but I eventually powered through and successfully completed 314 digits. The person hosting the festivities had given me the title "decimal mover" because of my 314 digits. I ended up winning, with 2nd place coming in at like 137 digits, and had won a \$5 Starbucks gift card... meh.

*The next year*, I was no longer in the district, so I couldn't participate, but they invited me to be a judge for the pi reciting table. Someone that year had memorized like 90 digits of pi, and won a TI-84+ Silver Edition graphing calculator... WHAT. And I got a \$5 Starbucks gift card the previous year. I mean, it was their first time doing it when I did it, so I suppose I understand, but like WHAT? haha. I don't even.
That year, I had decided to do 3 times the number of digits, bringing my total to 942. Of course, it was short-term memory though.
The following year in my 10th grade year, I had decided to do the unthinkable, and be White And Nerdy by memorizing 1000 digits of pi -- "know pi to a thousand places". Again, it was in my short term memory, which I could recite on that day, but quickly disappeared thereafter. Only 314 digits are still in my memory to this day, which I do intend to brush up on every year to keep it fresh (:

This grouping technique is pretty much exactly how I memorized the digits I know, I just grouped them into bits that sounded good together, I think it's relevant that I post how I have it divided up in my head which is surprisingly, very different from the seperations you made
anyways here is how I had it seperated
3,1415926 535 897 9323 846264 3383 27950 288 4197 169399
In fact, now that I think about it, I only think about some chunks and what goes in between them is like their introduction, it sounds weird but basically, when I try to think of them, Ill start with the first few, then I will think about 846264, but the 535 and 897 just fit in between the two chunks, in fact, you can kind of see this by looking at the size of the chunks I laid out, some chunks are pretty bulky with 5-6 digits, while others are just 3-4. Personally, I find it fascinating to see someone else's seperations that are completely different from mine and look like a very strange way to split it up
I just learn sections, usually 3 digits at a time, until I can detect a pattern. I also used to set Pi as my school password so I had no excuse not to memorize it
I currently know 3.1415926535897932384626433832795028841971693993751
(Whoa, I just figured out that was 50)
Anyone else?

Register to Join the Conversation
Have your own thoughts to add to this or any other topic? Want to ask a question, offer a suggestion, share your own programs and projects, upload a file to the file archives, get help with calculator and computer programming, or simply chat with like-minded coders and tech and calculator enthusiasts via the site-wide AJAX SAX widget? Registration for a free Cemetech account only takes a minute.

»
» All times are UTC - 5 Hours

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum