Science Memes

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suck it, math nerds (mander.xyz)

submitted 7 months ago by [email protected] to c/[email protected]

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[–] [email protected] 1 points 7 months ago (1 children)

More likely a mathematician would correct you instead of crying. Pi is not infinite, its decimal expansion is infinite!

[–] [email protected] 1 points 7 months ago (1 children)

Plus even that isn't enough: 10/3 has an infinite decimal expansion (in base 10 at least) too, but if π = 10/3, you'd be able to find exact circumferences. Its irrationality is what makes it relevant to this joke.

A mathematician is also perfectly happy with answers like "4π" as exact.

Plus what's to stop you from having a rational circumference but irrational radius?

Writing this, I feel like I might have accidentally proved your point.

[–] [email protected] 1 points 7 months ago

Mathematicians taking a physics class and being told they have to round things. That’s when the tears start flowing.

[–] [email protected] 1 points 7 months ago (1 children)

Easy. Take a wire that is exactly 1 meter long. Form a circle from the wire. The circumference of that circle is 1 meter.

[–] [email protected] 1 points 7 months ago (2 children)

"exactly"

uh huh. and how are you measuring that?

[–] [email protected] 1 points 7 months ago

Now the engineers and/or scientists are crying

[–] [email protected] 1 points 7 months ago

You don't need to, it's defined. (Lol). If you take a circle with a circumference of 1, then its circumference will be 1... I think I might have lost some braincells reading this.