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**Fistfiz****Member**- Registered: 2012-07-20
- Posts: 33

http://tauday.com/tau-manifesto

To be brief, the "tauists", as they call themselves, argue that the constant pi should be replaced with tau=2*pi, which is much more natural.

I have to say that, to me, the manifesto was really convincing; as i see it, the use of tau instead of pi brings clarity and coherence with other formulas (for example area of a circular sector).

What do you think about it?

30+2=28 (Mom's identity)

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**anonimnystefy****Real Member**- From: The Foundation
- Registered: 2011-05-23
- Posts: 15,918

I think it would devastate people who have already memorized thousands of pi's digits... On the other hand, mayve those people deserve such devastation...

Here lies the reader who will never open this book. He is forever dead.

Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment

The knowledge of some things as a function of age is a delta function.

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 94,020

Hi;

I think it is a great idea. But I do not think anyone is going to go for a change.

**In mathematics, you don't understand things. You just get used to them.**

**I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.**

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**mathgogocart****Member**- Registered: 2012-04-29
- Posts: 1,447

Fistfiz wrote:

http://tauday.com/tau-manifesto

To be brief, the "tauists", as they call themselves, argue that the constant pi should be replaced with tau=2*pi, which is much more natural.

I have to say that, to me, the manifesto was really convincing; as i see it, the use of tau instead of pi brings clarity and coherence with other formulas (for example area of a circular sector).

What do you think about it?

thats so annoying because pi was made,like THOUSANDS OF YEARRRRRRRRSSSS AGO!This idea is 0 YEARS OLD!:mad:

Hey.

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**anonimnystefy****Real Member**- From: The Foundation
- Registered: 2011-05-23
- Posts: 15,918

There's no reason to get so upset...

Actually, the idea is several years old, at least 3 or 4 if not long. And it is not a bad idea, because some formulas to become just a little bit prettier, but in my opinion, it is not very useful...

Here lies the reader who will never open this book. He is forever dead.

Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment

The knowledge of some things as a function of age is a delta function.

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 94,020

The guys who have memorized thousands of digits can now learn how to multiply thousands of digits.

**In mathematics, you don't understand things. You just get used to them.**

**I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.**

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**n872yt3r****Member**- Registered: 2013-01-21
- Posts: 392

I memorized this much of Pi: 3.141592653589796264883. I envy that... Chinese guy!

- n872yt3r

Math Is Fun Rocks!

By the power of the exponent, I square and cube you!

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**noelevans****Member**- Registered: 2012-07-20
- Posts: 236

Wasn't there a guy that bc (before computers) calculated pi out to 700 places by hand. Then ac (after

computers) it was discovered that he made a mistake in the 200th digit and all the rest was trash

since each digit depended on the previous digit. Probably spent the great bulk of his 15 year project

on the last 500 digits. Mercy me! But 200 digits of pi ain't bad, eh?

Writing "pretty" math (two dimensional) is easier to read and grasp than LaTex (one dimensional).

LaTex is like painting on many strips of paper and then stacking them to see what picture they make.

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**anonimnystefy****Real Member**- From: The Foundation
- Registered: 2011-05-23
- Posts: 15,918

Actually, his score was 527 out of 707 digits correct! That is a great accomplishment!

Here lies the reader who will never open this book. He is forever dead.

Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment

The knowledge of some things as a function of age is a delta function.

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**MathsIsFun****Administrator**- Registered: 2005-01-21
- Posts: 7,560

Perhaps tau would have been a better choice, but there are also arguments supporting pi. Area = pi r^2 for example. And some stats formulas have plain old pi in them.

"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman

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**anonimnystefy****Real Member**- From: The Foundation
- Registered: 2011-05-23
- Posts: 15,918

I think their strongest argument are the radians. A tau radians is one full turn, half a tau radians is half a turn, and so on... On all other accounts they are either the same or pi is better.

Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment

The knowledge of some things as a function of age is a delta function.

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**MathsIsFun****Administrator**- Registered: 2005-01-21
- Posts: 7,560

Maybe we could come up with an argument for pi/2. It is a "right" angle, so it must be right!

"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman

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**anonimnystefy****Real Member**- From: The Foundation
- Registered: 2011-05-23
- Posts: 15,918

There would certainly be some arguments for it, but also arguments against it. For now, I dont think there is any reason for switching from pi...

Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment

The knowledge of some things as a function of age is a delta function.

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 94,020

Hi;

Shanks it seems was doing all that calculating for same reason we do it today. He wanted to know if there is some pattern in the digits of pi.

**In mathematics, you don't understand things. You just get used to them.**

**I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.**

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**n872yt3r****Member**- Registered: 2013-01-21
- Posts: 392

I agree with you, mathgogocart.

The ANCIENT GREEKS INVENTED IT IN THE ERA OF BC!

- n872yt3r

Math Is Fun Rocks!

By the power of the exponent, I square and cube you!

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**anonimnystefy****Real Member**- From: The Foundation
- Registered: 2011-05-23
- Posts: 15,918

They didn't invent it. They gave it a name.

Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment

The knowledge of some things as a function of age is a delta function.

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**n872yt3r****Member**- Registered: 2013-01-21
- Posts: 392

Sorry; I get so mixed up with the difference of inventions and discoveries.-

- n872yt3r

Math Is Fun Rocks!

By the power of the exponent, I square and cube you!

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**Fistfiz****Member**- Registered: 2012-07-20
- Posts: 33

MathsIsFun wrote:

Maybe we could come up with an argument for pi/2. It is a "right" angle, so it must be right!

30+2=28 (Mom's identity)

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