query: Is $\pi = 4$ really?
positive_passages.docid: 2786
positive_passages.text: The staircase paradox, or why $\pi\ne4$
negative_passages.docid: 50038
negative_passages.text: Proving that $e^\pi=e^{-\pi}$
negative_passages.docid: 83262
negative_passages.text: Why is there a factor of $4\pi$ in certain force equations?
negative_passages.docid: 140086
negative_passages.text: Does $3-4+1$ equal $0$ or $-2$.. or maybe $2$?
negative_passages.docid: 130686
negative_passages.text: How is $3\pi-10$ element of $[-\pi/2,\pi/2]$?
negative_passages.docid: 6892
negative_passages.text: Why is it not true that $\int_0^{\pi} \sin(x)\; dx = 0$?
negative_passages.docid: 29517
negative_passages.text: How to find continued fraction of pi
negative_passages.docid: 151127
negative_passages.text: Confirm that $\int_{0}^{\infty}t^{-1}\sin t dt=\pi/2$
negative_passages.docid: 132928
negative_passages.text: Digits of $\pi$ forming primes?
negative_passages.docid: 5679
negative_passages.text: Why is $2\pi i \neq 0?$
negative_passages.docid: 66872
negative_passages.text: Exact values of $\cos(2\pi/7)$ and $\sin(2\pi/7)$
negative_passages.docid: 14447
negative_passages.text: Direct proof that $\pi$ is not constructible
negative_passages.docid: 151937
negative_passages.text: Physical Significance of $8\pi r$
negative_passages.docid: 63493
negative_passages.text: Why 4 is not a primitive root modulo p for any prime p?
negative_passages.docid: 43453
negative_passages.text: Is ${\sqrt2^{\sqrt2^{\sqrt2^{\sqrt2^\sqrt2}}}}^{...}=4$ correct?
negative_passages.docid: 96805
negative_passages.text: Why is the Absolute Value of $3-π$ equal to $π - 3$
negative_passages.docid: 85311
negative_passages.text: Proving that $e^{\pi}-{\pi}^e\lt 1$ without using a calculator