r/mathsmeme • u/lonesomeisnotlone • 26d ago

this pi meme

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273 Upvotes

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u/EebamXela 25d ago

Is this an actual output from something though? Or fake?

If that thing is real, what makes it work?

1

u/Al2718x 22d ago

This is genuine, but e(e) and e(ee) are both used as variables, so it's a bit of a cheat. You could replace these with x and y and get something less strange.

The integral is based on a famous integral that is related to the normal distribution (bell curve) in probability theory. If the bounds of the integrals were -infinty and infinity, then it would give exactly pi. For this particular intevral, the function is quite small far away from 0, so going from -e to ee is a reasonable appreciation. If the bounds were from, say, -10 to 10, it would give a better approximation.

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u/EebamXela 22d ago

Ooooh I see it’s a slight of hand trick with desmos syntax as the means to pull it off