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matt271
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02 Feb 2007, 8:10 pm

any of you fellow aspies know pi and/or e to several decimal places? or any other mathematical or physical constants?



LRKirsch
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02 Feb 2007, 9:35 pm

I like memorizing pi. My current goal (it's hard to stop :)) is 314 decimal digits, but for now I usually start messing up around 280. After 314 I guess I'll shoot for 500.

According to Wikipedia, the world record is held by Akira Haraguchi for memorizing 100,000 digits 8O



matt271
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02 Feb 2007, 11:30 pm

nice. i thought my over 50 was impressive. other nerds in my math and computer science try to show off their nerdiness by quoting pi, but i can always out do them :D some smartass then asked e, and i quoted that one too :D now thats when u know ur a huge nerd. but ur 280 digits make my nerdiness look like crap :-(
when u quote it, do u hear that almost musical sound to it? 3 point 1 4, 1 5 9 2, 6 5, 3 5, 8 9 - 7 9, 3-2-3, 8-4 ... etc
i can't write it well but if you do, im sure you know what i mean.

edit:
i just remembered of someone who knows the square root of 2. i never thought this number had any importance, but has any1 else every memorized it? i know it to like 5 digits from seeing it in trig but thats about it.



LRKirsch
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02 Feb 2007, 11:57 pm

50+ is still great :D I don't know any of e or the square root of 2. You're right about the musical thing. Looking for patterns and breaking it up into small groups that make sense to me has helped me quite a bit. I think what also helped me is that I memorized the majority of what I know by typing it on my keypad (for using training things on the Web), so every number also has its place. Eventually it's almost like playing a song, if that makes any sense.



chadders
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03 Feb 2007, 12:01 am

I havn't bothered yet, but thanks for setting the challenge. Try memorizing phi (the golden ratio) too, phi is simply the most amazing number.


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Namiko
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03 Feb 2007, 12:06 am

Without looking it up, it is roughly 1.414... and the square root of 3 is roughly 1.732... for convenience, I memorized them to this for math and science classes.

I don't necessarily memorize long numbers (I transpose digits easily, so sometimes 37 would become 73, especially if it is in the middle of a longer sequence of numbers), but I learn a lot of shorter ones. I have learned most of the atomic masses for the periodic table because it is convenient not to have to look it up everytime I want to do a calculation.


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nicklegends
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03 Feb 2007, 12:36 am

Yes, I've memorized the whole thing. :lol:




Honestly, memorizing digits like that does not sound very appealing to me, but I admire those who are able to retain sequences like that so well. I've been told that experts usually relate each number to a place in the world and then link them together. Does that work for any of you?



Cyanide
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03 Feb 2007, 1:50 am

3.141 is all I know of pi

and 2.718281828 is what i know of e.



ahayes
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03 Feb 2007, 2:46 am

I know one to as many digits as I have time for. For now, .999999999999999999999999999999999999999
99999999999999999999999999999999999999999999
99999999999999999999999999999999999999999999
99999999999999999999999999999999999999999999
99999999999999999



ExeterChris
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03 Feb 2007, 4:35 am

I only know up to 3.14159 and 2.718281828. I can remember square numbers though and other powers, but I think I've just learnt them due to regular use in my Maths course



onefourninezero
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03 Feb 2007, 5:33 am

I learnt pi up to 3.14159265, back when I had some interest in it. Not very impressive, really.



ElliottHird
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03 Feb 2007, 10:44 am

I was expecting a topic about

Image

Thankfully, it wasn't that meme-based.

I know 3.14, and maybe 15 depending on the day.

I'm not good at remembering numbers.



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03 Feb 2007, 12:01 pm

Image


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SteveK
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03 Feb 2007, 3:01 pm

Well, I USED to be moe stereotypical aspie. Back then, I only bothered to learn PI to like 7 digits. And, HEY, I wasn't told of any other digits! MOST only had like 3.14159!

Today, I am trying to be more stereotypical aspie(the good and helpful stuff anyway), so I learned a few dozen digits of PI. MAYBE by sunday I'll be past 50. A woman HERE turned me onto that! SHE will probably be at or past 300!

BTW I know AS says NOTHING about PI, math, etc... But some DO expect you to have strengths there. And, HEY, it's another thing to do when you are bored silly!

Steve



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03 Feb 2007, 5:00 pm

Haven't bothered trying. I only know that (2^(1/2)) is about 1.414213562 and that (3^(1/2)) is about 1.732050808 and that is only because I used to get bored in my classes and because I had a scientific calculator(not graphing mind you) that could do roots I tried taking the roots of numbers and then multiplying that number by itself, which was hard because once you pressed the multiplication button the root would disappear and the challenge started. I only know off of the top of my head those 2 because I started with 2 and went up so I repeated those 2 the most.



matt271
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03 Feb 2007, 6:04 pm

Awesomelyglorious wrote:
Haven't bothered trying. I only know that (2^(1/2)) is about 1.414213562 and that (3^(1/2)) is about 1.732050808 and that is only because I used to get bored in my classes and because I had a scientific calculator(not graphing mind you) that could do roots I tried taking the roots of numbers and then multiplying that number by itself, which was hard because once you pressed the multiplication button the root would disappear and the challenge started. I only know off of the top of my head those 2 because I started with 2 and went up so I repeated those 2 the most.


crappy (or non-TI89) calculators have a nice M button ;-)