# Why wasn't Pi titled Phi?

Discussion in 'Archived Threads 2001-2004' started by Vlad D, Aug 16, 2002.

1. ### Vlad D Screenwriter

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I saw this movie last night and found it fascinating. Been thinking about it all day, and decided to look up a few things. Which brings me to the title of this thread.

**** Spoiler ****

Max talks about the golden rectangle, Fibonacci numbers and the golden spiral created from the golden rectangle.
Max hypothesizes that everything in nature is infused with this golden spiral.

Well, from what I have been reading, it turns out that the golden rectangle, the golden spiral and Fibonacci numbers are all related by a number represented by the Greek letter phi, also called the golden ratio.

Phi = 1.6180339887499... Pi = 3.1415926535...

So my question, why wasn't this movie titled Phi?

(Mods, I looked for an "Official" Pi thread, but couldn't find one. If there is please feel free to merge this thread.)

2. ### Jason Seaver Lead Actor

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Because "phi" is also commonly used to represent the empty set/nothing?

3. ### Vlad D Screenwriter

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4. ### Jason Seaver Lead Actor

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Actually, I think it's just a matter of pi being the most immediately recognized irrational number. The golden mean (which I always learned as g, not phi) is probably more relevant, but a phi on the package/poster won't mean as much to the audience (or might mean "nothing").

5. ### Vlad D Screenwriter

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6. ### Bruce Hedtke Cinematographer

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It's been awhile since I've seen the film, and I don't recall the golden spiral theory...but I do remember much of the film revolving around the infinite number sequence of pi and how that particular 216 number string was the key to unlocking the patterns in the world.

Bruce

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