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421–450 / 13,083 条 · 第 15 / 437 页
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ELI5: Why is π = 3.1415... and not any other number like 17 or 23 billion ?
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TIL That a man with autism once recited over 20,000 decimal places of Pi flawlessly
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- 计算与算法 · 2012-11-02 · 2 分
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Pi Is Wrong
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ELI5: If math is an entirely human construct, why can't we calculate all the digits of pi?
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Did people celebrating Pi day in 1592 know it was such a special day?
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Why is it fairly popular to memorize the digits of Pi, but nobody seems to take any effort memorizing the digits of e or the square root of 2?
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If you claimed you could recite the first 1000 digits of pi, and you just made it up after 3.141, people would probably believe you.
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New Proof Settles How to Approximate Numbers Like Pi
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Happy Pi Day ! Tap on any block to reveal a digit of pi
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- 数位与应用 · 2023-03-14 · 15 分
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ELI5: The Pi Symbol at the bottom right of every reddit page
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- 证明与性质 · 2015-08-05 · 1 分
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If I have a piece of string that is exactly 10 cm long, and I move it into a circle, it would mean that 10 cm = pi*diameter. Since the diameter can also be accurately measure, why can we not use this information to dete…
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How many digits of Pi do we actually need?
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Pi Approximation using Monte Carlo
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Happy Pi Day Everyone (𝜏 is still better tho)
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TIL In 1894 an amateur mathematician tried to provide a way to square the value of a circle using a false value of pi. The Indiana House of Representatives unanimously passed a bill declaring the value of pi as 3.2 at h…
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- 定义与几何 · 2013-09-23 · 1 分
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Query: Pi = 3.14 = 180 degrees?
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Akira Haraguchi and His Method for Memorizing 100,000 Digits of Pi
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- 数位与应用 · 2015-07-09
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20M digits of pi in 1 minute using Julia
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You can't write the digits of π backwards
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- 数位与应用 · 2019-09-16 · 4 分
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TIL in 2010, Alexander J. Yee & Shigeru K. broke a world record by calculating Pi to 5 trillion digits at home on a desktop computer (twin 6core Xeon processors, 96gb ram, and 20x 2TB hard drives.) It took 90 days; and…
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- 计算与算法 · 2017-03-15 · 4 分
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Proof of e^π > π^e
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Developer uses Google Cloud to calculate 31 trillion digits of pi, a world record
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How many digits of pi do you know?
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Most people probably know Pi to 3-4 digits, but have forgotten how to work out the diameter of a circle.
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If Pi is an infinite number, then all the number sequences and possible combinations is encoded in the digits of pi.
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Rapping 10,000 Digits of Pi [sped up x1,000]
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[WP] The year is 2090 and the best quantum computers have been calculating PI for decades. Today it reached the end. Nobody knows why until the gov gets a call from SETI.
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- 证明与性质 · 2016-12-29 · 21 分
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I can tell you every digit of pi with an accuracy of 10%
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Pi and the Golden Ratio
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- 定义与几何 · 2017-03-28
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