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The number π (/ p aɪ / ⓘ; spelled out as "pi") is a mathematical constant, approximately equal to 3.14159, that is the ratio of a circle's circumference to its diameter.It appears in many formulae across mathematics and physics, and some of these formulae are commonly used for defining π, to avoid relying on the definition of the length of a curve.
In the Zork series of games, the Great Underground Empire has its own system of measurements, the most frequently referenced of which is the bloit. Defined as the distance the king's favorite pet can run in one hour (spoofing a popular legend about the history of the foot), the length of the bloit varies dramatically, but the one canonical conversion to real-world units puts it at ...
Of these, is the only fraction in this sequence that gives more exact digits of π (i.e. 7) than the number of digits needed to approximate it (i.e. 6). The accuracy can be improved by using other fractions with larger numerators and denominators, but, for most such fractions, more digits are required in the approximation than correct ...
The result of multiple Easter eggs may be calculated; for example: "the number of horns on a unicorn plus the answer to life the universe and everything" will return "43". [122] Ahead of Pi Day 2021, Google added an Easter egg game to the calculator tool which tested players' knowledge and memory of Pi. [125]
In one of these cycles, ENIAC could write a number to a register, read a number from a register, or add/subtract two numbers. A multiplication of a 10-digit number by a d -digit number (for d up to 10) took d +4 cycles, so the multiplication of a 10-digit number by 10-digit number took 14 cycles, or 2,800 microseconds—a rate of 357 per second.
Of course, there could well be calculators that are out of line with policy, like a calculator that implements a formula which is only given in a crank paper. But that doesn't make the software tool inherently bad or even a net negative, any more than the ability to cite Physics Essays with {{cite journal}} makes {{cite journal}} a bad idea.
Between about 2 and 20 minutes after the Big Bang nuclear fusion reactions convert a 1/7 mixture of neutrons and protons in to a mix of protons, deuterium (a proton fused with a neutron), 3 He, 4 He, with trace amounts of 7 Li and 7 Be. These reactions end when the temperature falls below the 0.07MeV needed for nuclear fusion.