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https://en.wikipedia.org/wiki/Dynabook | The KiddiComp concept, envisioned by Alan Kay in 1968 while a PhD candidate, and later developed and described as the Dynabook in his 1972 proposal "A personal computer for children of all ages", outlines the requirements for a conceptual portable educational device that would offer similar functionality to that now su... |
https://en.wikipedia.org/wiki/Cobordism | In mathematics, cobordism is a fundamental equivalence relation on the class of compact manifolds of the same dimension, set up using the concept of the boundary (French bord, giving cobordism) of a manifold. Two manifolds of the same dimension are cobordant if their disjoint union is the boundary of a compact manifol... |
https://en.wikipedia.org/wiki/81%20%28number%29 | 81 (eighty-one) is the natural number following 80 and preceding 82.
In mathematics
81 is:
the square of 9 and the second fourth-power of a prime; 34.
with an aliquot sum of 40; within an aliquot sequence of three composite numbers (81,40,50,43,1,0) to the Prime in the 43-aliquot tree.
a perfect totient number lik... |
https://en.wikipedia.org/wiki/82%20%28number%29 | 82 (eighty-two) is the natural number following 81 and preceding 83.
In mathematics
82 is:
the twenty-third semiprime and the twelfth of the form (2.q).
with an aliquot sum of 44, within an aliquot sequence of four composite numbers (82,44,40,50,43,1,0) to the Prime in the 43-aliquot tree.
a companion Pell number.
... |
https://en.wikipedia.org/wiki/83%20%28number%29 | 83 (eighty-three) is the natural number following 82 and preceding 84.
In mathematics
83 is:
the sum of three consecutive primes (23 + 29 + 31).
the sum of five consecutive primes (11 + 13 + 17 + 19 + 23).
the 23rd prime number, following 79 (of which it is also a cousin prime) and preceding 89.
a Sophie Germain... |
https://en.wikipedia.org/wiki/84%20%28number%29 | 84 (eighty-four) is the natural number following 83 and preceding 85.
In mathematics
84 is a semiperfect number, being thrice a perfect number, and the sum of the sixth pair of twin primes .
It is the third (or second) dodecahedral number, and the sum of the first seven triangular numbers (1, 3, 6, 10, 15, 21, 28,... |
https://en.wikipedia.org/wiki/85%20%28number%29 | 85 (eighty-five) is the natural number following 84 and preceding 86.
In mathematics
85 is:
the product of two prime numbers (5 and 17), and is therefore a semiprime of the form (5.q) where q is prime.
specifically, the 24th Semiprime, it being the fourth of the form (5.q).
together with 86 and 87, forms the sec... |
https://en.wikipedia.org/wiki/86%20%28number%29 | 86 (eighty-six) is the natural number following 85 and preceding 87.
In mathematics
86 is:
nontotient and a noncototient.
the 25th distinct semiprime and the 13th of the form (2.q).
together with 85 and 87, forms the middle semiprime in the 2nd cluster of three consecutive semiprimes; the first comprising 33, 34, ... |
https://en.wikipedia.org/wiki/87%20%28number%29 | 87 (eighty-seven) is the natural number following 86 and preceding 88.
In mathematics
87 is:
the sum of the squares of the first four primes (87 = 22 + 32 + 52 + 72).
the sum of the sums of the divisors of the first 10 positive integers.
the thirtieth semiprime, and the twenty-sixth distinct semiprime and the eigh... |
https://en.wikipedia.org/wiki/89%20%28number%29 | 89 (eighty-nine) is the natural number following 88 and preceding 90.
In mathematics
89 is:
the 24th prime number, following 83 and preceding 97.
a Chen prime.
a Pythagorean prime.
the smallest Sophie Germain prime to start a Cunningham chain of the first kind of six terms, {89, 179, 359, 719, 1439, 2879}.
an E... |
https://en.wikipedia.org/wiki/77%20%28number%29 | 77 (seventy-seven) is the natural number following 76 and preceding 78. Seventy-seven is the smallest positive integer requiring five syllables in English.
In mathematics
77 is:
the 22nd discrete semiprime and the first of the (7.q) family, where q is a higher prime.
with a prime aliquot sum of 19 within an aliquot ... |
https://en.wikipedia.org/wiki/79%20%28number%29 | 79 (seventy-nine) is the natural number following 78 and preceding 80.
In mathematics
79 is:
An odd number.
The smallest number that can not be represented as a sum of fewer than 19 fourth powers.
The 22nd prime number (between and )
An isolated prime without a twin prime, as 77 and 81 are composite.
The smalle... |
https://en.wikipedia.org/wiki/71%20%28number%29 | 71 (seventy-one) is the natural number following 70 and preceding 72.
In mathematics
Because both rearrangements of its digits (17 and 71) are prime numbers, 71 is an emirp and more generally a permutable prime. It is the largest number which occurs as a prime factor of an order of a sporadic simple group, the large... |
https://en.wikipedia.org/wiki/73%20%28number%29 | 73 (seventy-three) is the natural number following 72 and preceding 74. In English, it is the smallest natural number with twelve letters in its spelled out name.
In mathematics
73 is the 21st prime number, and emirp with 37, the 12th prime number. It is also the eighth twin prime, with 71. It is the largest minimal ... |
https://en.wikipedia.org/wiki/74%20%28number%29 | 74 (seventy-four) is the natural number following 73 and preceding 75.
In mathematics
74 is:
the twenty-first distinct semiprime and the eleventh of the form (2.q), where q is a higher prime.
with an aliquot sum of 40, within an aliquot sequence of three composite numbers (74,40,50,43,1,0) to the Prime in the 43-al... |
https://en.wikipedia.org/wiki/75%20%28number%29 | 75 (seventy-five) is the natural number following 74 and preceding 76.
In mathematics
75 is a self number because there is no integer that added up to its own digits adds up to 75. It is the sum of the first five pentagonal numbers, and therefore a pentagonal pyramidal number, as well as a nonagonal number.
It is a... |
https://en.wikipedia.org/wiki/32%20%28number%29 | 32 (thirty-two) is the natural number following 31 and preceding 33.
In mathematics
32 is the fifth power of two (), making it the first non-unitary fifth-power of the form p5 where p is prime. 32 is the totient summatory function over the first 10 integers, and the smallest number with exactly 7 solutions for . The... |
https://en.wikipedia.org/wiki/34%20%28number%29 | 34 (thirty-four) is the natural number following 33 and preceding 35.
In mathematics
34 is the ninth distinct semiprime, with four divisors including 1 and itself. Specifically, 34 is the ninth distinct semiprime, it being the sixth of the form . Its neighbors 33 and 35 are also distinct semiprimes with four divisors ... |
https://en.wikipedia.org/wiki/External%20Data%20Representation | External Data Representation (XDR) is a standard data serialization format, for uses such as computer network protocols. It allows data to be transferred between different kinds of computer systems. Converting from the local representation to XDR is called encoding. Converting from XDR to the local representation is ca... |
https://en.wikipedia.org/wiki/Founder%20effect | In population genetics, the founder effect is the loss of genetic variation that occurs when a new population is established by a very small number of individuals from a larger population. It was first fully outlined by Ernst Mayr in 1942, using existing theoretical work by those such as Sewall Wright. As a result of t... |
https://en.wikipedia.org/wiki/25-pair%20color%20code | The 25-pair color code, originally known as even-count color code, is a color code used to identify individual conductors in twisted-pair wiring for telecommunications.
Color coding
With the development of new generations of telecommunication cables with polyethylene-insulated conductors (PIC) by Bell Laboratories for... |
https://en.wikipedia.org/wiki/31%20%28number%29 | 31 (thirty-one) is the natural number following 30 and preceding 32. It is a prime number.
In mathematics
31 is the 11th prime number. It is a superprime and a self prime (after 3, 5, and 7), as no integer added up to its base 10 digits results in 31. It is the third Mersenne prime of the form 2n − 1, and the eighth ... |
https://en.wikipedia.org/wiki/Hilbert%27s%20seventh%20problem | Hilbert's seventh problem is one of David Hilbert's list of open mathematical problems posed in 1900. It concerns the irrationality and transcendence of certain numbers (Irrationalität und Transzendenz bestimmter Zahlen).
Statement of the problem
Two specific equivalent questions are asked:
In an isosceles triangle, i... |
https://en.wikipedia.org/wiki/Homeland%20Security%20Advisory%20System | In the United States, the Homeland Security Advisory System (HSAS) was a color-coded terrorism threat advisory scale created in March 2002 under the Bush Administration in response to the September 11 attacks. The different levels triggered specific actions by federal agencies and state and local governments, and they ... |
https://en.wikipedia.org/wiki/Hidden%20node%20problem | In wireless networking, the hidden node problem or hidden terminal problem occurs when a node can communicate with a wireless access point (AP), but cannot directly communicate with other nodes that are communicating with that AP. This leads to difficulties in medium access control sublayer since multiple nodes can sen... |
https://en.wikipedia.org/wiki/Trinomial%20nomenclature | In biology, trinomial nomenclature refers to names for taxa below the rank of species. These names have three parts. The usage is different in zoology and botany.
In zoology
In zoological nomenclature, a trinomen (), trinominal name, or ternary name refers to the name of a subspecies. Examples are Gorilla gorilla gor... |
https://en.wikipedia.org/wiki/Index%20set | In mathematics, an index set is a set whose members label (or index) members of another set. For instance, if the elements of a set may be indexed or labeled by means of the elements of a set , then is an index set. The indexing consists of a surjective function from onto , and the indexed collection is typically ca... |
https://en.wikipedia.org/wiki/Comparison%20of%20topologies | In topology and related areas of mathematics, the set of all possible topologies on a given set forms a partially ordered set. This order relation can be used for comparison of the topologies.
Definition
A topology on a set may be defined as the collection of subsets which are considered to be "open". An alternative ... |
https://en.wikipedia.org/wiki/Dirichlet%20series | In mathematics, a Dirichlet series is any series of the form
where s is complex, and is a complex sequence. It is a special case of general Dirichlet series.
Dirichlet series play a variety of important roles in analytic number theory. The most usually seen definition of the Riemann zeta function is a Dirichlet seri... |
https://en.wikipedia.org/wiki/Beth%20number | In mathematics, particularly in set theory, the beth numbers are a certain sequence of infinite cardinal numbers (also known as transfinite numbers), conventionally written , where is the second Hebrew letter (beth). The beth numbers are related to the aleph numbers (), but unless the generalized continuum hypothesis ... |
https://en.wikipedia.org/wiki/Metaprogramming | Metaprogramming is a programming technique in which computer programs have the ability to treat other programs as their data. It means that a program can be designed to read, generate, analyze or transform other programs, and even modify itself while running. In some cases, this allows programmers to minimize the numbe... |
https://en.wikipedia.org/wiki/FIGlet | FIGlet is a computer program that generates text banners, in a variety of typefaces, composed of letters made up of conglomerations of smaller ASCII characters (see ASCII art). The name derives from "Frank, Ian and Glenn's letters".
Being free software, FIGlet is commonly included as part of many Unix-like operating s... |
https://en.wikipedia.org/wiki/Voltage%20divider | In electronics, a voltage divider (also known as a potential divider) is a passive linear circuit that produces an output voltage (Vout) that is a fraction of its input voltage (Vin). Voltage division is the result of distributing the input voltage among the components of the divider. A simple example of a voltage div... |
https://en.wikipedia.org/wiki/Logical%20possibility | Logical possibility refers to a logical proposition that cannot be disproved, using the axioms and rules of a given system of logic. The logical possibility of a proposition will depend upon the system of logic being considered, rather than on the violation of any single rule. Some systems of logic restrict inferences ... |
https://en.wikipedia.org/wiki/Test-and-set | In computer science, the test-and-set instruction is an instruction used to write (set) 1 to a memory location and return its old value as a single atomic (i.e., non-interruptible) operation. The caller can then "test" the result to see if the state was changed by the call. If multiple processes may access the same mem... |
https://en.wikipedia.org/wiki/Selection%20bias | Selection bias is the bias introduced by the selection of individuals, groups, or data for analysis in such a way that proper randomization is not achieved, thereby failing to ensure that the sample obtained is representative of the population intended to be analyzed. It is sometimes referred to as the selection effect... |
https://en.wikipedia.org/wiki/Iron%E2%80%93sulfur%20world%20hypothesis | The iron–sulfur world hypothesis is a set of proposals for the origin of life and the early evolution of life advanced in a series of articles between 1988 and 1992 by Günter Wächtershäuser, a Munich patent lawyer with a degree in chemistry, who had been encouraged and supported by philosopher Karl R. Popper to publish... |
https://en.wikipedia.org/wiki/S%C3%A9minaire%20de%20G%C3%A9om%C3%A9trie%20Alg%C3%A9brique%20du%20Bois%20Marie | In mathematics, the Séminaire de Géométrie Algébrique du Bois Marie (SGA) was an influential seminar run by Alexander Grothendieck. It was a unique phenomenon of research and publication outside of the main mathematical journals that ran from 1960 to 1969 at the IHÉS near Paris. (The name came from the small wood on th... |
https://en.wikipedia.org/wiki/Frieder%20Nake | Frieder Nake (born December 16, 1938 in Stuttgart, Germany) is a mathematician, computer scientist, and pioneer of computer art. He is best known internationally for his contributions to the earliest manifestations of computer art, a field of computing that made its first public appearances with three small exhibitions... |
https://en.wikipedia.org/wiki/David%20Mumford | David Bryant Mumford (born 11 June 1937) is an American mathematician known for his work in algebraic geometry and then for research into vision and pattern theory. He won the Fields Medal and was a MacArthur Fellow. In 2010 he was awarded the National Medal of Science. He is currently a University Professor Emeritus i... |
https://en.wikipedia.org/wiki/Newsgroup%20spam | Newsgroup spam is a type of spam where the targets are Usenet newsgroups.
Spamming of Usenet newsgroups pre-dates e-mail spam. The first widely recognized Usenet spam (though not the most famous) was posted on 18 January 1994 by Clarence L. Thomas IV, a sysadmin at Andrews University. Entitled "Global Alert for All: J... |
https://en.wikipedia.org/wiki/Yeast%20artificial%20chromosome | Yeast artificial chromosomes (YACs) are genetically engineered chromosomes derived from the DNA of the yeast, Saccharomyces cerevisiae , which is then ligated into a bacterial plasmid. By inserting large fragments of DNA, from 100–1000 kb, the inserted sequences can be cloned and physically mapped using a process call... |
https://en.wikipedia.org/wiki/36%20%28number%29 | 36 (thirty-six) is the natural number following 35 and preceding 37.
In mathematics
36 is both the square of six, and the eighth triangular number or sum of the first eight non-zero positive integers, which makes 36 the first non-trivial square triangular number. Aside from being the smallest square triangular number... |
https://en.wikipedia.org/wiki/37%20%28number%29 | 37 (thirty-seven) is the natural number following 36 and preceding 38.
In mathematics
37 is the 12th prime number, and the 3rd isolated prime without a twin prime.
37 is the first irregular prime.
The sum of the squares of the first 37 primes is divisible by 37.
Every positive integer is the sum of at most 37 fifth ... |
https://en.wikipedia.org/wiki/39%20%28number%29 | 39 (thirty-nine) is the natural number following 38 and preceding 40.
In mathematics
39 is the 12th distinct semiprime and the 4th in the (3.q) family. It is the last member of the third distinct semiprime pair (38,39).
39 has an aliquot sum of 17, which is a prime. 39 is the 4th member of the 17-aliquot tree within... |
https://en.wikipedia.org/wiki/Introduced%20species | An introduced species, alien species, exotic species, adventive species, immigrant species, foreign species, non-indigenous species, or non-native species is a species living outside its native distributional range, but which has arrived there by human activity, directly or indirectly, and either deliberately or accide... |
https://en.wikipedia.org/wiki/47%20%28number%29 | 47 (forty-seven) is the natural number following 46 and preceding 48. It is a prime number.
In mathematics
Forty-seven is the fifteenth prime number, a safe prime, the thirteenth supersingular prime, the fourth isolated prime, and the sixth Lucas prime. Forty-seven is a highly cototient number. It is an Eisenstein pri... |
https://en.wikipedia.org/wiki/Tucows | Tucows Inc. is an American-Canadian publicly traded Internet services and telecommunications company headquartered in Toronto, Ontario, Canada, and incorporated in Pennsylvania, United States. The company is composed of three independent businesses: Tucows Domains, Ting Internet, and Wavelo.
Originally founded in 1993... |
https://en.wikipedia.org/wiki/List%20of%20introduced%20species | A complete list of introduced species for even quite small areas of the world would be dauntingly long. Humans have introduced more different species to new environments than any single document can record. This list is generally for established species with truly wild populations— not kept domestically—that have been ... |
https://en.wikipedia.org/wiki/Nabla%20symbol | ∇
The nabla symbol
The nabla is a triangular symbol resembling an inverted Greek delta: or ∇. The name comes, by reason of the symbol's shape, from the Hellenistic Greek word for a Phoenician harp, and was suggested by the encyclopedist William Robertson Smith to Peter Guthrie Tait in correspondence.
The nabla symb... |
https://en.wikipedia.org/wiki/Subbase | In topology, a subbase (or subbasis, prebase, prebasis) for a topological space with topology is a subcollection of that generates in the sense that is the smallest topology containing as open sets. A slightly different definition is used by some authors, and there are other useful equivalent formulations of the... |
https://en.wikipedia.org/wiki/Exercise%20physiology | Exercise physiology is the physiology of physical exercise. It is one of the allied health professions, and involves the study of the acute responses and chronic adaptations to exercise. Exercise physiologists are the highest qualified exercise professionals and utilise education, lifestyle intervention and specific fo... |
https://en.wikipedia.org/wiki/Local%20zeta%20function | In number theory, the local zeta function (sometimes called the congruent zeta function or the Hasse–Weil zeta function) is defined as
where is a non-singular -dimensional projective algebraic variety over the field with elements and is the number of points of defined over the finite field extension of .
Makin... |
https://en.wikipedia.org/wiki/Contact%20%28mathematics%29 | In mathematics, two functions have a contact of order if, at a point , they have the same value and equal derivatives. This is an equivalence relation, whose equivalence classes are generally called jets. The point of osculation is also called the double cusp. Contact is a geometric notion; it can be defined algebra... |
https://en.wikipedia.org/wiki/Formal%20system | A formal system is an abstract structure or formalization of an axiomatic system used for inferring theorems from axioms by a set of inference rules.
In 1921, David Hilbert proposed to use the formal system as the foundation for the knowledge in mathematics.
The term formalism is sometimes a rough synonym for formal ... |
https://en.wikipedia.org/wiki/Progress%20Quest | Progress Quest is a video game developed by Eric Fredricksen as a parody of EverQuest and other massively multiplayer online role-playing games. It is loosely considered a zero-player game, in the sense that once the player has set up their artificial character, there is no user interaction at all; the game "plays" its... |
https://en.wikipedia.org/wiki/%C3%89tale%20cohomology | In mathematics, the étale cohomology groups of an algebraic variety or scheme are algebraic analogues of the usual cohomology groups with finite coefficients of a topological space, introduced by Grothendieck in order to prove the Weil conjectures. Étale cohomology theory can be used to construct ℓ-adic cohomology, whi... |
https://en.wikipedia.org/wiki/Simulation%20%28computer%20science%29 | In theoretical computer science a simulation is a relation between state transition systems associating systems that behave in the same way in the sense that one system simulates the other.
Intuitively, a system simulates another system if it can match all of its moves.
The basic definition relates states within one ... |
https://en.wikipedia.org/wiki/F%CF%83%20set | {{DISPLAYTITLE:Fσ set}}
In mathematics, an Fσ set (said F-sigma set) is a countable union of closed sets. The notation originated in French with F for (French: closed) and σ for (French: sum, union).
The complement of an Fσ set is a Gδ set.
Fσ is the same as in the Borel hierarchy.
Examples
Each closed set is ... |
https://en.wikipedia.org/wiki/Ivar%20Giaever | Ivar Giaever (, ; born April 5, 1929) is a Norwegian-American engineer and physicist who shared the Nobel Prize in Physics in 1973 with Leo Esaki and Brian Josephson "for their discoveries regarding tunnelling phenomena in solids". Giaever's share of the prize was specifically for his "experimental discoveries regardin... |
https://en.wikipedia.org/wiki/Kenneth%20G.%20Wilson | Kenneth Geddes "Ken" Wilson (June 8, 1936 – June 15, 2013) was an American theoretical physicist and a pioneer in leveraging computers for studying particle physics. He was awarded the 1982 Nobel Prize in Physics for his work on phase transitions—illuminating the subtle essence of phenomena like melting ice and emergin... |
https://en.wikipedia.org/wiki/Truckee%E2%80%93Carson%20Irrigation%20District | TCID may also stand for "Tissue Culture Infectious Dose." or "4,5,6,7-Tetrachloro-1H-indene-1,3(2H)-dione"
The Truckee–Carson Irrigation District (TCID) is a political subdivision of the State of Nevada, which operates dams at Lake Tahoe, diversion dams on the Truckee River in Washoe County, and the Lake Lahontan rese... |
https://en.wikipedia.org/wiki/Free%20floating%20screed | The free floating screed is a device pioneered in the 1930s that revolutionized the asphalt paving process. The device is designed to spread and smooth out, or screed, the material (e.g. concrete or asphalt) below it.
Description
The screed connects to the tractor portion of the paving machine via its tow arm. Paving... |
https://en.wikipedia.org/wiki/273%20%28number%29 | 273 (two hundred [and] seventy-three) is the natural number following 272 and preceding 274.
273 is a sphenic number, a truncated triangular pyramid number and an idoneal number.
There are 273 different ternary trees with five nodes.
In other fields
The zero of the Celsius temperature scale is (to the nearest whole n... |
https://en.wikipedia.org/wiki/Acer%20Inc. | Acer Inc. ( ) is a Taiwanese multinational hardware and electronics corporation specializing in advanced electronics technology, headquartered in Xizhi, New Taipei City. Its products include desktop PCs, laptop PCs (clamshells, 2-in-1s, convertibles and Chromebooks), tablets, servers, storage devices, virtual reality d... |
https://en.wikipedia.org/wiki/International%20Air%20Transport%20Association%20code | IATA codes are abbreviations that the International Air Transport Association (IATA) publishes to facilitate air travel. They are typically 1, 2, 3, or 4 character combinations (referred to as unigrams, digrams, trigrams, or tetragrams, respectively) that uniquely identify locations, equipment, companies, and times to ... |
https://en.wikipedia.org/wiki/Numeracy | Numeracy is the ability to understand, reason with, and to apply simple numerical concepts. The charity National Numeracy states: "Numeracy means understanding how mathematics is used in the real world and being able to apply it to make the best possible decisions...It’s as much about thinking and reasoning as about 'd... |
https://en.wikipedia.org/wiki/Real%20computation | In computability theory, the theory of real computation deals with hypothetical computing machines using infinite-precision real numbers. They are given this name because they operate on the set of real numbers. Within this theory, it is possible to prove interesting statements such as "The complement of the Mandelbrot... |
https://en.wikipedia.org/wiki/Lysis | Lysis ( ) is the breaking down of the membrane of a cell, often by viral, enzymic, or osmotic (that is, "lytic" ) mechanisms that compromise its integrity. A fluid containing the contents of lysed cells is called a lysate. In molecular biology, biochemistry, and cell biology laboratories, cell cultures may be subject... |
https://en.wikipedia.org/wiki/Bisimulation | In theoretical computer science a bisimulation is a binary relation between state transition systems, associating systems that behave in the same way in that one system simulates the other and vice versa.
Intuitively two systems are bisimilar if they, assuming we view them as playing a game according to some rules, ma... |
https://en.wikipedia.org/wiki/Semantics%20%28computer%20science%29 | In programming language theory, semantics is the rigorous mathematical study of the meaning of programming languages. Semantics assigns computational meaning to valid strings in a programming language syntax. It is closely related to, and often crosses over with, the semantics of mathematical proofs.
Semantics describ... |
https://en.wikipedia.org/wiki/Odra%20%28computer%29 | Odra was a line of computers manufactured in Wrocław, Poland. The name comes from the Odra river that flows through the city of Wrocław.
Overview
The production started in 1959–1960. Models 1001, 1002, 1003, 1013, 1103, 1204 were of original Polish construction. Models 1304 and 1305 were functional counterparts of ICL... |
https://en.wikipedia.org/wiki/History%20of%20computer%20hardware%20in%20Eastern%20Bloc%20countries | The history of computing hardware in the Eastern Bloc is somewhat different from that of the Western world. As a result of the CoCom embargo, computers could not be imported on a large scale from Western Bloc.
Eastern Bloc manufacturers created copies of Western designs based on intelligence gathering and reverse engi... |
https://en.wikipedia.org/wiki/Am386 | The Am386 CPU is a 100%-compatible clone of the Intel 80386 design released by AMD in March 1991. It sold millions of units, positioning AMD as a legitimate competitor to Intel, rather than being merely a second source for x86 CPUs (then termed 8086-family).
History and design
While the AM386 CPU was essentially read... |
https://en.wikipedia.org/wiki/Lucas%20number | The Lucas sequence is an integer sequence named after the mathematician François Édouard Anatole Lucas (1842–1891), who studied both that sequence and the closely related Fibonacci sequence. Individual numbers in the Lucas sequence are known as Lucas numbers. Lucas numbers and Fibonacci numbers form complementary insta... |
https://en.wikipedia.org/wiki/Euler%20product | In number theory, an Euler product is an expansion of a Dirichlet series into an infinite product indexed by prime numbers. The original such product was given for the sum of all positive integers raised to a certain power as proven by Leonhard Euler. This series and its continuation to the entire complex plane would l... |
https://en.wikipedia.org/wiki/Howard%20Hughes%20Medical%20Institute | The Howard Hughes Medical Institute (HHMI) is an American non-profit medical research organization based in Chevy Chase, Maryland. It was founded in 1953 by Howard Hughes, an American business magnate, investor, record-setting pilot, engineer, film director, and philanthropist, known during his lifetime as one of the m... |
https://en.wikipedia.org/wiki/Biogeochemical%20cycle | A biogeochemical cycle, or more generally a cycle of matter, is the movement and transformation of chemical elements and compounds between living organisms, the atmosphere, and the Earth's crust. Major biogeochemical cycles include the carbon cycle, the nitrogen cycle and the water cycle. In each cycle, the chemical el... |
https://en.wikipedia.org/wiki/List%20of%20graphical%20methods | This is a list of graphical methods with a mathematical basis.
Included are diagram techniques, chart techniques, plot techniques, and other forms of visualization.
There is also a list of computer graphics and descriptive geometry topics.
Simple displays
Area chart
Box plot
Dispersion fan diagram
Graph of a function... |
https://en.wikipedia.org/wiki/Associated%20bundle | In mathematics, the theory of fiber bundles with a structure group (a topological group) allows an operation of creating an associated bundle, in which the typical fiber of a bundle changes from to , which are both topological spaces with a group action of . For a fiber bundle F with structure group G, the transitio... |
https://en.wikipedia.org/wiki/Measure-preserving%20dynamical%20system | In mathematics, a measure-preserving dynamical system is an object of study in the abstract formulation of dynamical systems, and ergodic theory in particular. Measure-preserving systems obey the Poincaré recurrence theorem, and are a special case of conservative systems. They provide the formal, mathematical basis for... |
https://en.wikipedia.org/wiki/43%20%28number%29 | 43 (forty-three) is the natural number following 42 and preceding 44.
In mathematics
Forty-three is the 14th smallest prime number. The previous is forty-one, with which it comprises a twin prime, and the next is 47. 43 is the smallest prime that is not a Chen prime. It is also the third Wagstaff prime.
43 is the fo... |
https://en.wikipedia.org/wiki/Cat%20%28Red%20Dwarf%29 | Cat (sometimes The Cat) is a fictional character in the British science fiction sitcom Red Dwarf. He is played by Danny John-Jules. He is a descendant of Dave Lister's pregnant pet house cat Frankenstein, whose descendants evolved into a humanoid form over three million years while Lister was in stasis (suspended anima... |
https://en.wikipedia.org/wiki/44%20%28number%29 | 44 (forty-four) is the natural number following 43 and preceding 45.
In mathematics
Forty-four X is a composite number; a square-prime, of the form (p2,q) and fourth of this form and of the form (22.q), where q is a higher prime.
44 is a repdigit and palindromic number in decimal. It is the tenth 10-happy number... |
https://en.wikipedia.org/wiki/46%20%28number%29 | 46 (forty-six) is the natural number following 45 and preceding 47.
In mathematics
Forty-six is
thirteenth discrete semiprime () and the eighth of the form (2.q), where q is a higher prime.
with an aliquot sum of 26; itself a semiprime, within an aliquot sequence of six composite numbers (46,26,16,15,9,4,3,1,0) t... |
https://en.wikipedia.org/wiki/48%20%28number%29 | 48 (forty-eight) is the natural number following 47 and preceding 49. It is one third of a gross, or four dozens.
In mathematics
Forty-eight is the double factorial of 6, a highly composite number. Like all other multiples of 6, it is a semiperfect number. 48 is the second 17-gonal number.
48 is the smallest numbe... |
https://en.wikipedia.org/wiki/49%20%28number%29 | 49 (forty-nine) is the natural number following 48 and preceding 50.
In mathematics
Forty-nine is the square of the prime number seven and hence the fourth non-unitary square prime of the form p2
47 has an aliquot sum of 8; itself a prime power, and hence an aliquot sequence of two composite members (49, 8, 7,1,0).
... |
https://en.wikipedia.org/wiki/51%20%28number%29 | 51 (fifty-one) is the natural number following 50 and preceding 52.
In mathematics
Fifty-one is
a pentagonal number as well as a centered pentagonal number and an 18-gonal number
the 6th Motzkin number, telling the number of ways to draw non-intersecting chords between any six points on a circle's boundary, no matt... |
https://en.wikipedia.org/wiki/52%20%28number%29 | 52 (fifty-two) is the natural number following 51 and preceding 53.
In mathematics
Fifty-two is
a composite number; a square-prime, of the form (p2, q) where q is a higher prime. It is the sixth of this form and the fifth of the form (22.q).
the 5th Bell number, the number of ways to partition a set of 5 objects.
... |
https://en.wikipedia.org/wiki/53%20%28number%29 | 53 (fifty-three) is the natural number following 52 and preceding 54. It is the 16th prime number.
In mathematics
Fifty-three is the 16th prime number. It is also an Eisenstein prime, an isolated prime, a balanced prime and a Sophie Germain prime.
The sum of the first 53 primes is 5830, which is divisible by 53, a pro... |
https://en.wikipedia.org/wiki/54%20%28number%29 | 54 (fifty-four) is the natural number following 53 and preceding 55.
In mathematics
54 is an abundant number and a semiperfect number, like all other multiples of 6.
It is twice the third power of three, 3 + 3 = 54, and hence is a Leyland number.
54 is the smallest number that can be written as the sum of three po... |
https://en.wikipedia.org/wiki/55%20%28number%29 | 55 (fifty-five) is the natural number following 54 and preceding 56.
Mathematics
55 is
the fifteenth discrete semiprime () and the second with 5 as the lowest non-unitary factor thus of the form (5.q), where q is a higher prime.
with an aliquot sum of 17; a prime, within an aliquot sequence of one composite number ... |
https://en.wikipedia.org/wiki/56%20%28number%29 | 56 (fifty-six) is the natural number following 55 and preceding 57.
Mathematics
56 is:
The sum of the first six triangular numbers (making it a tetrahedral number).
The number of ways to choose 3 out of 8 objects or 5 out of 8 objects, if order does not matter.
The sum of six consecutive primes (3 + 5 + 7 + 11 +... |
https://en.wikipedia.org/wiki/57%20%28number%29 | 57 (fifty-seven) is the natural number following 56 and preceding 58.
In mathematics
Fifty-seven is the sixteenth discrete semiprime (specifically, the sixth distinct semiprime of the form , where is a higher prime). It also forms the fourth discrete semiprime pair with 58.
57 is the third Blum integer since its t... |
https://en.wikipedia.org/wiki/58%20%28number%29 | 58 (fifty-eight) is the natural number following 57 and preceding 59.
In mathematics
Fifty-eight is the 17th discrete semiprime and the 9th with 2 as the lowest non-unitary factor; thus of the form (2.q), where q is a higher prime.
Fifty-eight is the first member of a cluster of two semiprimes (57, 58), the next such... |
https://en.wikipedia.org/wiki/59%20%28number%29 | 59 (fifty-nine) is the natural number following 58 and preceding 60.
In mathematics
Fifty-nine is the 17th prime number. The next is sixty-one, with which it comprises a twin prime. 59 is an irregular prime, a safe prime and the 14th supersingular prime. It is an Eisenstein prime with no imaginary part and real part o... |
https://en.wikipedia.org/wiki/Logical%20effort | The method of logical effort, a term coined by Ivan Sutherland and Bob Sproull in 1991, is a straightforward technique used to estimate delay in a CMOS circuit. Used properly, it can aid in selection of gates for a given function (including the number of stages necessary) and sizing gates to achieve the minimum delay ... |
https://en.wikipedia.org/wiki/Electric%20Sheep | Electric Sheep is a volunteer computing project for animating and evolving fractal flames, which are in turn distributed to the networked computers, which display them as a screensaver.
Process
The process is transparent to the casual user, who can simply install the software as a screensaver. Alternatively, the user... |
https://en.wikipedia.org/wiki/List%20of%20interface%20bit%20rates | This is a list of interface bit rates, is a measure of information transfer rates, or digital bandwidth capacity, at which digital interfaces in a computer or network can communicate over various kinds of buses and channels. The distinction can be arbitrary between a computer bus, often closer in space, and larger tele... |
https://en.wikipedia.org/wiki/Yamaha%20DSP-1 | The Yamaha DSP-1 is a processor of early home theater surround sound equipment, produced in 1985. The DSP-1 (referred to by Yamaha as a Digital Soundfield Processor) allowed owners to synthesize up to 6-channels of surround sound from 2 channel stereo sound via a complex digital signal processor (DSP). Much like today... |
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