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Technically, it should be called the principal square root of 2, to distinguish it from the negative number with the same property. Geometrically, the square root of 2 is the length of a diagonal across a square with sides of one unit of length; this follows from the Pythagorean theorem. It was probably the first number known to be irrational. [1]
In general, the number of nines is not often used by a network engineer when modeling and measuring availability because it is hard to apply in formula. More often, the unavailability expressed as a probability (like 0.00001), or a downtime per year is quoted. Availability specified as a number of nines is often seen in marketing documents.
As the number of discrete events increases, the function begins to resemble a normal distribution. Comparison of probability density functions, p ( k ) {\textstyle p(k)} for the sum of n {\displaystyle n} fair 6-sided dice to show their convergence to a normal distribution with increasing n a {\textstyle na} , in accordance to the ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 24 February 2025. German mathematician, astronomer, geodesist, and physicist (1777–1855) "Gauss" redirects here. For other uses, see Gauss (disambiguation). Carl Friedrich Gauss Portrait by Christian Albrecht Jensen, 1840 (copy from Gottlieb Biermann, 1887) Born Johann Carl Friedrich Gauss (1777-04-30 ...
Element production in supernovas greatly favor iron over nickel, and in any case, 56 Fe still has a lower mass per nucleon than 62 Ni due to its higher fraction of lighter protons. [32] Hence, elements heavier than iron require a supernova for their formation, involving rapid neutron capture by starting 56 Fe nuclei.
Forest inventory is the systematic collection of data and forest information for assessment or analysis. An estimate of the value and possible uses of timber is an important part of the broader information required to sustain ecosystems.
[8] [9] Cingular gave Apple the liberty to develop the iPhone's hardware and software in-house, a rare practice at the time, [10] [11] and paid Apple a fraction of its monthly service revenue (until the iPhone 3G), [12] in exchange for four years of exclusive U.S. sales, until 2011.
Approximate cost to own mortgaged property vs. renting. An approximate formula for the monthly cost of owning a home is obtained by computing the monthly mortgage, property tax, and maintenance costs, accounting for the U.S. tax deduction available for mortgage interest payments and property taxes.