Phi to 20,000 Places

May 13, 2012

Phi to 1,000,000 places

 


Just can’t get enough of Phi?  Here’s a couple of ways to get as much as most anyone would ever need.

There are millions of places to find phi, but here’s some help in finding phi to a million places.  You can download the PhiCalculator, a program provided free of charge by Alireza Shafaei.  It will compute phi to the number of decimal places you specify, to 1 million and maybe more, and output the results to a text file.  He’s also provided the C++ Source Code and a text file of Phi to 100,000 places.

Note:  PhiCalculator was scanned with McAfee as of March 29, 2008 and found to be virus free but the user assumes all risks of use.

For those of you with smaller appetites, here it is to 20,000 places:

1.61803398874989484820458683436563811772030917980576286213544862270526046281890
244970720720418939113748475408807538689175212663386222353693179318006076672635
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{ 21 comments… read them below or add one }

Mason August 27, 2012 at 9:58 pm

Phi is cooler than Pi.

Reply

ace March 21, 2013 at 9:05 pm

Why? Pi is embedded into the structure of the universe and nature more than Phi is.

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Seizure Man April 6, 2013 at 8:58 pm

No, Phi is in the structure of so many things in nature. Give me a list of things pi is embedded in in nature.

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Some Guy May 11, 2013 at 8:59 pm

1. Pie

No further examples required.

Reply

Hdt80bro October 28, 2013 at 10:59 pm

Yes there is, just a food named after a number isn’t explaining enough (and it just happens to have a circle in it). There’s tau in there too.

Hdt80bro October 28, 2013 at 11:01 pm

Yes, you do have to explain. Just because it is named after a food, that doesn’t mean that it is explained. Although in is circular, there’s tau in there too.

Hdt80bro October 28, 2013 at 11:06 pm

Just by circles, which you could use tau (radius to circumference). And in waves, if you are using radians, which come out of the distance on the circumference in the arc you use, (2 pie is the whole circumference), and tau makes a lot more sense there. (pie = 1/2 tau). What else are you thinking of?

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Elliott March 11, 2013 at 2:07 pm

So if you add all those numbers up and divided them by 20,000 would you get Phi?

Reply

Gary Meisner March 14, 2013 at 9:17 pm

No, the numbers are likely random and individually have no relationship to phi. If you add any set of random numbers from 0 to 9 and compute average you’re likely to get 4.5.

Reply

A Person October 6, 2013 at 6:44 pm

Heh, heh. This was posted on pi day.

Reply

Un Known May 11, 2013 at 5:19 pm

Yes, Phi is a H of a lot cooler than Pi

Reply

44532 June 20, 2013 at 6:30 pm

DaVinci Code??

Reply

roop123 July 24, 2013 at 11:13 am

I heard about this in the Da Vinci Code.

Reply

Elfie August 11, 2013 at 7:15 pm

Now that is a great book….

Reply

Ben Warren August 13, 2013 at 2:11 am

pi sucks because really the only thing it has a use for is dealing with circles. Phi is the ratio of everything: that’s is seriously awesome

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A Person October 6, 2013 at 6:43 pm

Don’t be rude, ever heard of e^iπ=-1?

Reply

Hdt80bro October 7, 2013 at 11:25 pm

How about e^iΤ=1?

Reply

Electrical Engineer October 24, 2013 at 4:15 am

pi is incredibly useful… if you know anything about signals, which is literally everything in the universe, as our brains are basically sensory signal processors. From that we construct our image of reality. Look up Fourier Transform

Reply

Hdt80bro October 28, 2013 at 10:56 pm

Replace with tau. All of that was based on the wave that pie makes with sine (at least that’s the basics). What about Tau? It looks the same, just mirrored. It does the same thing.

Reply

τ is better than π. October 24, 2013 at 7:25 pm

No explanation required.

But φ is still pretty cool, though. At least better than π.

Reply

Luca Bi November 6, 2013 at 10:49 am

Wouldn’t the C++ program run a little faster if you used ‘memset’ Instead of a for cycle to fill the array with 0s?

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