5 Math Equations That Change the Way You See the World

Making math cool is like trying to make
5 Math Equations That Change the Way You See the World

Trying to make math cool is like trying to make "not holding your breath for five minutes" cool: It already is, and anyone thinking otherwise struggles through life with significantly reduced mental abilities. Anyone born into a world based entirely on numbers with little dollar signs in front of them, then deciding they don't need to know numbers, is volunteering to be a very small one adding up to someone else's very big one.

5 Math Equations That Change the Way You See the World
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"Just 10 more short years, and you'll have that degree in Klingon paid off!"

But accounting is to math what diapers are to biochemistry: dealing with the stinking mess left by some unfortunate and immature side effects of being alive while doing it. Mathematics isn't cool in the same way spacetime isn't real estate. It's much bigger and more important than the ridiculous little structures we've erected on it. And anyone who doesn't understand how truly cool it is (2.725 K) simply doesn't appreciate the sheer scale of it.

5 Math Equations That Change the Way You See the World

Ymir's autopsy

We found reality's programming language. Physics is the operating system, but it's written in equations. E=mc^2 defines large parts of reality in fewer bytes than it takes to say "my penis" and has similar effects on local spacetime, ladies (~ 90 percent, + gentlemen ~ 10 percent). But that's physics. There are pure mathematical equations which are just as capable of blowing your mind.

Infinite Pi

Pi is the ratio of a circle's diameter to its circumference, in the same way nuclear fission is a way of powering TVs to watch America's Got Talent: an appallingly simple effect of a reality-defining truth. Pi isn't a number, it's a startup constant of spacetime. Take a line in one dimension, rotate it around another, and the resulting ratio of lengths is a precise number. The existence of space has a numerical signature. It's called a transcendental number, because even attempting to think about how much it means is more mind-expanding than all the drugs.

Mehran Moghtadei via Wikimedia Commons

Seen here in the three dimensions it glues together

Calculating pi has become the computer scientist equivalent of tuning muscle cars: we don't actually need more digits for anything useful, because the basics do everything we actually need it for, but we've spent years stacking up air-cooled hardware just because. In 1985 it was calculated to 17 million digits. Srinivasa Ramanujan found the formula used. Around 1910.

1 2 2V2 1103 + 263906-) > TT 9801 (k!)43964K 0

It wasn't the only such formula, but was incredibly useful because it converged exponentially compared to other algorithms, making it ideal for computers. Interesting note: at the time there was no such thing as computers. Srinivasa Ramanujan had pre-empted processors by decades. In 1985 his formula was used in the world record calculation of pi to 17 million digits, and a slight variant modified by David and Gregory Chudnovsky now holds the title at 10 trillion. We're not saying he's a robot, but if a perfect calculating machine ever goes missing in a time travel experiment we already know where it ended up.

5 Math Equations That Change the Way You See the World
Konrad Jacobs

It turns out that rogue Terminators like sharp suits and counting forever.

Dividing By Zero

Dividing by zero gives you undefined, infinity, or who cares, depending on whether you're talking to a mathematician, physicist, or engineer. You can tell a lot about how disconnected someone is from reality by how they contemplate infinity. For example, cult leaders often explain how infinity after nothingness means you should obey them.

5 Math Equations That Change the Way You See the World
Digital Vision./Digital Vision/Getty

"Pay your entire life now for insurance against eternity with the King! No refunds!"

At its most basic, division means, "How many times can you take this out of that?" For example, you can take a human head from the members of One Direction five times before you get blessed silence. On the one hand you can take nothing out of something an infinite number of times, but on the other, no, you can't, because that would take forever. It's a mathematical problem so hard it once crippled a U.S. Navy cruiser. The USS Yorktown's experimental military computer control system tried it and was crippled by a buffer overrun. Making this the first ship to overflow without any water. On the upside, it's way easier than asking a computer to define love or telling it that truth is a lie, or asking if those are both the same question.

5 Math Equations That Change the Way You See the World
Comstock/Comstock/Getty Images

"These feelings are tearing me apart! Also the incoming torpedoes."

The solution is as brilliant as it sounds stupid. You deal with the impossible by sneaking up on it. It's nice to know calculus solves problems the same way SEAL teams do it: sneakily and permanently.

sin(x) lim 1 X x->0

Taking the limit as X goes to zero means that you never actually get there, but you get as close as you need to be, no matter how close that is. Then the "limit" as you tend toward zero -- but never actually reach it -- gives you the answer. As X gets small, sin X is approximately equal to X, so you're always dividing something by itself and getting one. Then, with a particularly cunning flourish, you end up dividing nothingness by itself and becoming one. Which I think means mathematics is the king of zen.

5 Math Equations That Change the Way You See the World
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His decades of calm are going to be wasted when he finds out mathematicians worked it out with a pencil.

There's a fairly easy proof using the squeeze theorem. Which doubles as a good line when you want to chat up a mathematician.

yy Exy y 6 2a+-6)0 Lat2ectle
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"... and you'll be with me because I give quite excellent dick, QED."

These limits as you hit zero, which is a much less depressing sentence in mathematics, are essential for calculus. And calculus is essential for everything. If math is the programming language of reality, calculus is the graphics processor working out things like explosions, lasers, and gravity, all the cool special effects. Or as we call them in physics, effects.

Pick A Digit, Any Digit (of Pi)

If the Ramanujan formula was transcendent understanding of reality by the human brain, the Bailey-Borwein-Plouffe formula is outright sorcery. Developed by Simon Plouffe in 1995, this formula lets you skip straight to any digit of pi without working out the rest of the number.

4 2 1 6k L 8k +1 8k+4 8k + 5 8k+6 t

You want the the 10-trillion-and-33rd digit of pi? No problem. There's a fundamental constant of reality and now, without any input apart from being in the same reality, this equation can read out any part of it. That's like pulling rabbits out of a hat where the rabbits are Star Trek energy beings and your hat is a beret.

The process of using the formula sounds like someone found a glitch in god's computer. If you want the Nth term, you split the infinite sum at the Nth term, and a bit of modulo math skims out the required digit in hexadecimal. That sounds like something you'd read on Mr Mxyzptlk's GameFAQ. Reality, mathematics, and the design of 8-bit computers lining up to accidentally output one of the universe's BIOS settings. The craziest part? It's still slower than Ramanujan for finding the whole thing. It really is just a cheat code for reality.

Tupper's Self-Referential Formula

Tupper's self-referential formula sounds like an impotence cure sold by a man slicking his hair with snake oil. In fact, it's a mathematical inequality ...

- y mod 2-17x-mod(lyJ.17) 2 2 2 17

Told you.

... which outputs the same mathematical inequality.

l 1 X 12 7. H 2. 343141 20 40 60 80 100

In places where X and Y satisfy the inequality you get black, where it doesn't it's white, and this Manichean math outputs itself. It's the Facebook formula, the mathematical equivalent of social media: You were expecting an intelligent answer, but it just refers to itself. In fact, it's the mathematical equivalent of infinite monkeys, as it eventually produces every possible 106 x 17 pixel image as you scroll through higher and higher numbers.

5 Math Equations That Change the Way You See the World
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Though most monkey math is applied to fecal ballistics

The formula is just one of many bitmap decoding functions. Any image can be represented as numbers.

5 Math Equations That Change the Way You See the World

Strangely, Brockway's images are always triplets of sixes.

The number for the formula is 543 digits long, so you can expect another hellayottahellayottahellayottayotta-scale number for similar pictures. Making this the smartest, longest, and biggest dick joke we've ever shown:

B n

Quite Excellent Dick.

The Most Beautiful Equation in The World

Euler's identity is regularly chosen as the most beautiful in existence. It isn't just an equation, it's the haiku of mathematics. It's the only artwork that can objectively prove itself true. It's a more beautiful embodiment of numbers than 7 of 9.

5 Math Equations That Change the Way You See the World

This contains more understanding of the truths of the universe than a Shaolin monastery full of Greek philosophers full of magic mushrooms. If you're ever contacted by aliens, shout it quickly: It's the only thing you can possibly say fast enough before they detect reality TV. It contains the five most important numbers there are, more fundamental truths of reality than any five pantheons you care to mention.

5 Math Equations That Change the Way You See the World
Wikimedia Commons

The Greeks were more jock-gods

The imaginary unit is "i." When real numbers couldn't find the root of negative things, we found imaginary ones which could help us solve our problems. That's the calculation equivalent of a Disney movie. And if it sounds impossible, stop using electronics, AC power, and atoms, because imaginary numbers are essential for understanding all of them.

If pi is the keycode for space, Euler's constant "e" is the number of mathematics itself. The rate of change of e^x is e^x, making 2.71828 a perfect point in differentiation and integration, which are everything. Connecting calculus to numerals feels like connecting poetry to prehistoric pond water, but that's pretty much what happened: Something beginning with one trying to plus one to become two eventually led to everything we've ever known. The e is used to calculate so many things you'd swear it was Star Trek-nobabble. It's used in phasor notation, probability theory, calculus, compound interest, and more. It's so powerfully nerdy Google pledged to raise e billion dollars in their IPO.

So you've got the imaginary, oneness, nothingness and two irrational transcendental numbers. It could only be a better calculation of the meaning of life if it equaled 42. And it gets even smarter from there. e to the power of a complex number projects you into the complex plane. Which sounds like something you do to Superman villains when the writer thinks, "Damn, Superman doesn't kill anyone, but we really need to get rid of this guy."

5 Math Equations That Change the Way You See the World

Regular guns? Evil. Eternal banishment to a limbo dimension with inevitable mental breakdown, insanity, and escape to murder countless innocents? No problem

Two dimensional pictures have horizontal and vertical. The complex plane does the same thing with uses realistic and imaginary. Every real number you've ever seen is just a line, an antiquated slide-rule for counting, while complex numbers are the full page where math draws pictures of pure intellect. e^ix draws a circle around the zero point on this complex plane. It's a more incredible imaginary landscape than Dali's.

Im i T cos T t- isin .T A sin T 1 Re cOS T

A curve hasn't been imagined by so many nerds since rumors of the Tomb Raider nude code

2pi takes you around a complete circle, so e^i pi is halfway round the circle at minus one. The formula combines transcendental truths with oneness to reveal nothing. Math is how humanity understands the former instead of the latter.

Continue expanding your mind with 5 Reasons Homophobia Is Unmanly , or chill your brain out with the opposite of intelligence inThe 5 Worst Video Game Reviews Ever.

For more incredibly applications of intellect, behold 6 Badass Spacecraft Landings Humanity Totally Nailed and 9 Badass Lasers That Prove The Death Star Isn't Far Off.

Luke also describes Whiskey Output, The Irish Jaeger Which Wasn't In Pacific Rim, tumbles, and responds to every single tweet.


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