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October, 2024

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Insane Math Dude

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zerospinskier
Posts: 4867 - Karma: 350

Check it. Nerdarific, but still cool
http://static.videoegg.com/ted/flash/fullscreen.html?v=/ted/movies/ARTHURBENJAMIN-2005&cid=/ted/movies

Jul 10 2008 1:24AM
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skeedle
Posts: 6156 - Karma: 628
oh god i hate math
Jul 10 2008 1:33AM
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Dylan_
Posts: 9824 - Karma: 1,403
what the fuck
Jul 10 2008 1:34AM
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Reptar.
Posts: 1509 - Karma: 34
Incredible.
Jul 10 2008 1:43AM
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Gnl.Weirdness
Posts: 3867 - Karma: 20
Photoshoped.
Jul 10 2008 1:51AM
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Leo.
Posts: 508 - Karma: 17
that was incredible
Jul 10 2008 2:00AM
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ThaLetterM.
Posts: 8609 - Karma: 1,613
that was out of control awesome
Jul 10 2008 2:01AM
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Avifarer
Posts: 5926 - Karma: 598
Standing o. No big deal.
Jul 10 2008 2:15AM
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tomahawk
Posts: 2006 - Karma: 53
jeeeeeze.
Jul 10 2008 2:18AM
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smooticus
Posts: 1798 - Karma: 27
That man is awesome
Jul 10 2008 2:26AM
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BASS_PRO_SHOP
Posts: 1519 - Karma: 52
whoa a rainbow just formed on the side of my computer. so sick.
Jul 10 2008 11:26AM
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Bepo
Posts: 8195 - Karma: 17
i feel stupid now. that last part was crazy, pretty simple to do if you can write it down, but to remember all of that is just nuts
Jul 10 2008 11:42AM
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tommihq
Posts: 905 - Karma: 11
I think that that dude might be a little crazy
Jul 10 2008 11:45AM
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dave44
Posts: 11052 - Karma: 113
holy shit... squaring a 5 digit number wtff
Jul 10 2008 11:58AM
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SnowRidgeParks
Posts: 2146 - Karma: 88
holy shit, and i thought differential equations was tough haha
Jul 10 2008 12:01PM
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Malcolm
Posts: 15951 - Karma: 9,451

shit that was insane. he made those people up on stage with calculators look like total morons

Jul 10 2008 12:02PM
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anxju
Posts: 9371 - Karma: 61
hahahahaha the part where he was like "ok now let me recap" that was funny.
Jul 10 2008 12:17PM
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OAK_TREE
Posts: 2683 - Karma: 12
That was insane. He did more math in that 15 minutes than I did in my whole school career. However I did think that the title was Insane Meth Dude.
Jul 10 2008 1:01PM
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kepler.
Posts: 8761 - Karma: 139
Hahah wow the ending was epic. Good post, I'm surprised Ryno hadn't posted it before.
Jul 10 2008 1:02PM
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Boodje.
Posts: 1394 - Karma: 21
the ending was fucking insane.
Jul 10 2008 1:18PM
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comeatmebro
Posts: 10720 - Karma: 66
wow
Jul 10 2008 1:39PM
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duckets.
Posts: 1168 - Karma: 41
that's pussy shit, i can cube those numbers in my head.....

for real though that vid was sick, nice post
Jul 10 2008 2:00PM
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St.Steezy
Posts: 4228 - Karma: 20
Thats impressive, especially his speed. But in all fairness it isnt that hard to square a two digit number in your head. I can't do it as fast as he can but give me a sec and I'll be able too.

There is a whole pattern to it that makes it easier. You just break the number down and you get super easy quick calculations. Seriously look at these examples... you have to be gimp to not be able to compute these..

25x25 = 20x20+2(20x5)+5x5 = 625

42x42 = 40x40+2(40x2)+2x2 = 1764


Even a three digit number isn't that difficult..

123x123 = 100x100+2(100x23)+20x20+2(20x3)+3x3 = 15129

You just continue the pattern as the number becomes larger.


And you notice how he only squares numbers.. Squaring numbers is easiest. Look at my previous examples, which shows the pattern, for proof. Multiply two different random numbers together is WAY more difficult. 632x457 = ? You can still break it down... but the simple calculations are harder..

632x457 = 600x400+600x57(I broke this calculation down)+400x32(Also broke this one down)+30x50+30x7+50x2+2x7 = 288824

See.? Multiplying isn't hard.. Try 3 dimensional and plus calculus.. Math always has a simpler pattern.

And I didn't use a calculator for these calculations but I'm pretty confident they're right. Just to prove my post, someone check for me.
Jul 10 2008 7:49PM
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kepler.
Posts: 8761 - Karma: 139
Here's a link to the video on TED's site. It isn't as grainy.

http://www.ted.com/index.php/talks/arthur_benjamin_does_mathemagic.html
Jul 10 2008 8:15PM
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purplejumpsuit
Posts: 2208 - Karma: 157
awesome
Jul 10 2008 8:46PM
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Sufferboy
Posts: 4241 - Karma: 122
yeah i knew that way also but still at his speed is insane in the membrane
Jul 10 2008 8:54PM
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St.Steezy
Posts: 4228 - Karma: 20
yeah I know, it takes a split second for him to compute it. That's what's ridiculous.
Jul 10 2008 8:57PM
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Bepo
Posts: 8195 - Karma: 17
exactly, its not hard at all to do as long as you can remember everything. Its impressive because he can do it so fast. I timed myself and the best i can get for a 2 digit number (over 50) is 12 seconds, and I was able to do 3 digits but it took much longer to do and had way more room for error (only got like 1 in 3 right when trying to do it quick). I didn't try 4 numbers, although I assume it would be very hard to remember the digits.

I was bored at work, lol
Jul 10 2008 9:02PM
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twin-tip-hero
Posts: 2896 - Karma: 277
that man is GOD
Jul 10 2008 9:19PM
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BootySpunk.
Posts: 8148 - Karma: 84
god damn that was insane I bet that guy gets laid all the time with that lol i kid that was intense
Jul 10 2008 9:44PM
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steezyjibber
Posts: 15967 - Karma: 11,026
likable guy
Jul 10 2008 9:57PM
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Santa-Cruz
Posts: 2236 - Karma: 11
nerrrd lets ducttape him to the flag pole@@@@!!@!@!@!
Jul 10 2008 10:05PM
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