this post was submitted on 14 Mar 2024
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Science Memes

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132
visualizing pi (mander.xyz)
submitted 10 months ago by [email protected] to c/[email protected]
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[–] starman2112 14 points 10 months ago* (last edited 10 months ago) (1 children)

Pi can be estimated by dividing the circumference of any circle by its diameter.

There's something about the word "estimated" in here that I find really funny

It's like using c as a "rough approximation" of the speed of light

[–] threelonmusketeers 2 points 10 months ago (1 children)

We know what the exact value of c is because we set it to a specific value and derive the meter from it. We can't do that with pi, so "estimate" it is.

[–] [email protected] 2 points 10 months ago (1 children)

We define Pi as the ratio of a circumference to diameter in the same way

[–] threelonmusketeers 1 points 9 months ago

I don't feel like that is the same thing. No one calculates pi by drawing a perfect circle and measuring the ratio. However, I believe we do calculate the meter by measuring the distance light travels in 1/299792458.000 seconds.

[–] [email protected] 11 points 10 months ago (1 children)

Is it a trillion or 6.4 billion digits?

[–] [email protected] 2 points 10 months ago (2 children)

Are there non-base 10 numbering systems in which pi is not infinite or repeats?

[–] [email protected] 5 points 10 months ago

Base pi

No integer base

[–] threelonmusketeers 2 points 10 months ago

If pi were rational in one integer base, it would be rational in all integer bases, no?

[–] [email protected] 2 points 10 months ago

it bothers me that the diagram of the pyramid, claiming to show the height, is not along its height at all

[–] [email protected] 2 points 10 months ago (1 children)

How do we compute pi?

[–] [email protected] 2 points 10 months ago

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