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# 1 (number)

1 (one; or, also called "unit", "unity", and "(multiplicative) identity", is a number, a numeral, and the name of the glyph representing that number. It represents a single entity, the unit of counting or measurement. For example, a line segment of "unit length" is a line segment of length 1. [1]

## Abelian group

In abstract algebra, an abelian group, also called a commutative group, is a group in which the result of applying the group operation to two group elements does not depend on the order in which they are written (the axiom of commutativity).

## Absolute value

In mathematics, the absolute value (or modulus) of a real number is the non-negative value of without regard to its sign.

## Abstract algebra

In algebra, which is a broad division of mathematics, abstract algebra (occasionally called modern algebra) is the study of algebraic structures.

## Alan Ford (comics)

Alan Ford is an Italian comic book created by Max Bunker (Luciano Secchi) and Magnus (Roberto Raviola), in print since 1969.

## Aleph

Aleph is the first letter of the Semitic abjads, including Phoenician 'Ālep, Hebrew 'Ālef א, Aramaic Ālap, Syriac ʾĀlap̄ ܐ, and Arabic ا. The Phoenician letter is derived from an Egyptian hieroglyph depicting an ox's head and gave rise to the Greek Alpha (Α), being re-interpreted to express not the glottal consonant but the accompanying vowel, and hence the Latin A and Cyrillic А. In phonetics, aleph originally represented the glottal stop, often transliterated as, based on the Greek spiritus lenis ʼ, for example, in the transliteration of the letter name itself,.

## Algebra

Algebra (from Arabic and Farsi "al-jabr" meaning "reunion of broken parts") is one of the broad parts of mathematics, together with number theory, geometry and analysis.

## Almost surely

In probability theory, one says that an event happens almost surely (sometimes abbreviated as a.s.) if it happens with probability one.

## American football

American football (referred to as football in the United States and Canada, also known as gridiron elsewhere) is a sport played by two teams of eleven players on a rectangular field with goalposts at each end.

## Ancient Egypt

Ancient Egypt was a civilization of ancient Northeastern Africa, concentrated along the lower reaches of the Nile River in what is now the modern country of Egypt.

## Arena Football League

The Arena Football League (AFL) is the highest level of professional indoor American football in the United States.

## Arithmetic

Arithmetic or arithmetics (from the Greek ἀριθμός arithmos, "number") is the oldest and most elementary branch of mathematics.

## Ascender (typography)

In typography, an ascender is the portion of a minuscule letter in a Latin-derived alphabet that extends above the mean line of a font.

## ASCII

ASCII, abbreviated from American Standard Code for Information Interchange, is a character-encoding scheme (the IANA prefers the name US-ASCII).

## Assamese language

Assamese or Asamiya (অসমীয়া Ôxômiya) is an Eastern Indo-Aryan language used mainly in the state of Assam, where it is an official language.

## Association football

Association football, more commonly known as football or soccer, is a sport played between two teams of eleven players with a spherical ball.

## Australian rules football

Australian rules football, officially known as Australian football, also called football, footy, or Aussie rules (and in some regions marketed as AFL after the Australian Football League, the pre-eminent and fully professional Australian football league in the country), is a sport played between two teams of eighteen players on the field of either an Australian football ground, a modified cricket field, or a similarly sized sports venue.

## −1

In mathematics, &minus;1 is the additive inverse of 1, that is, the number that when added to 1 gives the additive identity element, 0.

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## Bani (letter)

Bani (asomtavruli, nuskhuri, mkhedruli ბ) is the 2nd letter of the three Georgian scripts.

## Baseball

Baseball is a bat-and-ball game played between two teams of nine players each who take turns batting and fielding.

Basketball is a sport played by two teams of five players on a rectangular court.

## Benford's law

Benford's law, also called the First-Digit Law, is a phenomenological law about the frequency distribution of leading digits in many (but not all) real-life sets of numerical data.

## Bengali language

Bengali or Bangla (বাংলা) is the language native to the region of Bengal, which comprises the present-day nation of Bangladesh and of the Indian states West Bengal, Tripura and southern Assam.

## Bernie Parent

Bernard Marcel "Bernie" Parent (born April 3, 1945) is a retired Canadian professional ice hockey goaltender who played 13 National Hockey League (NHL) seasons with the Philadelphia Flyers, Boston Bruins, and Toronto Maple Leafs, and also spent one season in the World Hockey Association (WHA) with the Philadelphia Blazers.

## Billy Martin

Alfred Manuel "Billy" Martin (May 16, 1928 &ndash; December 25, 1989) was an American Major League Baseball second baseman and manager.

## Billy Meyer

William Adam Meyer (January 14, 1893 – March 31, 1957) was an American baseball player and manager.

## Binary code

A binary code represents text or computer processor instructions using the binary number system's two binary digits, 0 and 1.

## Bobby Doerr

Robert Pershing "Bobby" Doerr (born April 7, 1918) is a former Major League Baseball (MLB) second baseman and coach.

## Boston Celtics

The Boston Celtics are an American professional basketball team based in Boston, Massachusetts.

## Boston Red Sox

The Boston Red Sox are an American professional baseball team based in Boston, Massachusetts, that competes in Major League Baseball (MLB).

## Breton language

Breton (Brezhoneg) is a Celtic language spoken in Brittany (Breton: Breizh; Bretagne), France.

## C0 and C1 control codes

The C0 and C1 control code or control character sets define control codes for use in text by computer systems that use the ISO/IEC 2022 system of specifying control and graphic characters.

## Calculus

Calculus is the mathematical study of change, in the same way that geometry is the study of shape and algebra is the study of operations and their application to solving equations.

## Camogie

Camogie (camógaíocht; formerly spelt camoguidheacht) is an Irish stick-and-ball team sport played by women; it is almost identical to the game of hurling played by men.

Canadian football is a form of gridiron football played in Canada in which two teams of 12 players each compete for territorial control of a field of play long and wideTable of exact conversions attempting to advance a pointed prolate spheroid ball into the opposing team's scoring area (end zone).

## Centered hexagonal number

A centered hexagonal number, or hex number, is a centered figurate number that represents a hexagon with a dot in the center and all other dots surrounding the center dot in a hexagonal lattice.

## Characteristic (algebra)

In mathematics, the characteristic of a ring R, often denoted char(R), is defined to be the smallest number of times one must use the ring's multiplicative identity element (1) in a sum to get the additive identity element (0); the ring is said to have characteristic zero if this sum never reaches the additive identity.

## Chevrolet

Chevrolet, colloquially referred to as Chevy and formally the Chevrolet Division of General Motors Company, is an American automobile division of the American manufacturer General Motors (GM).

## Chicago Blackhawks

The Chicago Blackhawks (spelled as Black Hawks before 1986, and known colloquially as the Hawks) are a professional ice hockey team based in Chicago, Illinois.

## Chinese numerals

Chinese numerals are words and characters used to denote numbers in Chinese.

## Cincinnati Reds

The Cincinnati Reds are an American professional baseball team based in Cincinnati, Ohio.

## Circle group

In mathematics, the circle group, denoted by T, is the multiplicative group of all complex numbers with absolute value 1, i.e., the unit circle in the complex plane or simply the unit complex numbers The circle group forms a subgroup of C&times;, the multiplicative group of all nonzero complex numbers.

## Complex number

A complex number is a number that can be expressed in the form, where and are real numbers and is the imaginary unit, that satisfies the equation.

## Composite number

A composite number is a positive integer that has at least one positive divisor other than one or the number itself.

## Conversion (gridiron football)

The try (American football, also known as point(s) after touchdown, PAT) or convert (Canadian football) occurs immediately after a touchdown during which the scoring team is allowed to attempt to score one extra point by kicking the ball through the uprights in the manner of a field goal, or two points by bringing the ball into the end zone in the manner of a touchdown; depending on league rules, one point may also be scored by manner of a safety.

## Counting

Counting is the action of finding the number of elements of a finite set of objects.

## Counting rods

Counting rods (算木, sangi) are small bars, typically 3–14 cm long, that were used by mathematicians for calculation in ancient China, Japan, Korea, and Vietnam.

## Cube (algebra)

In arithmetic and algebra, the cube of a number is its third power: the result of the number multiplied by itself twice: It is also the number multiplied by its square: This is also the volume formula for a geometric cube with sides of length, giving rise to the name.

## Danish language

Danish (dansk; dansk sprog) is a North Germanic language spoken by around six million people, principally in Denmark and in the region of Southern Schleswig in northern Germany, where it has minority language status.

## Dedekind cut

In mathematics, a Dedekind cut, named after Richard Dedekind, is a partition of the rational numbers into two non-empty sets A and B, such that all elements of A are less than all elements of B, and A contains no greatest element.

## Detroit Red Wings

The Detroit Red Wings are a professional ice hockey team based in Detroit, Michigan.

## Devanagari

Devanagari (देवनागरी devanāgarī a compound of "deva" and "nāgarī"), also called Nagari (Nāgarī, नागरी),Kathleen Kuiper (2010), The Culture of India, New York: The Rosen Publishing Group, ISBN 978-1615301492, page 83 is an abugida (alphasyllabary) alphabet of India and Nepal.

## Division (mathematics)

In mathematics, especially in elementary arithmetic, division (denoted ÷ or / or —) is an arithmetic operation.

## Drop goal

A drop goal, field goal, dropped goal, or pot is a method of scoring points in rugby union and rugby league and also, rarely, in American football and Canadian football.

## Drop kick

A drop kick is a type of kick in various codes of football.

## Dutch language

Dutch is a West Germanic language that is spoken in the European Union by about 23 million people as a first language—including most of the population of the Netherlands and about sixty percent of that of Belgium—and by another 5 million as a second language.

## Eastern Arabic numerals

The Eastern Arabic numerals (also called Arabic–Indic numerals and Arabic Eastern numerals) are the symbols used to represent the Hindu–Arabic numeral system in conjunction with the Arabic alphabet in the countries of the Arab east, and its variant in other countries.

## Eddie Giacomin

Edward "Ed" Giacomin (born June 6, 1939 in Sudbury, Ontario) is a retired professional ice hockey goaltender who played for the New York Rangers and Detroit Red Wings in the National Hockey League, as well as for the Providence Reds of the American Hockey League.

## Egyptian fraction

An Egyptian fraction is a finite series of distinct unit fractions, such as \tfrac+\tfrac+\tfrac.

## Empty product

In mathematics, an empty product, or nullary product, is the result of multiplying no factors.

## Euler's totient function

In number theory, Euler's totient function (or Euler's phi function), denoted as or, is an arithmetic function that counts the positive integers less than or equal to n that are relatively prime to n. (These integers are sometimes referred to as totatives of n.) Thus, if n is a positive integer, then is the number of integers k in the range for which the greatest common divisor.

## Exponentiation

Exponentiation is a mathematical operation, written as bn, involving two numbers, the base b and the exponent n. When n is a positive integer, exponentiation corresponds to repeated multiplication of the base: that is, bn is the product of multiplying n bases: In that case, bn is called the n-th power of b, or b raised to the power n. The exponent is usually shown as a superscript to the right of the base.

## Factorial

In mathematics, the factorial of a non-negative integer n, denoted by n!, is the product of all positive integers less than or equal to n. For example, The value of 0! is 1, according to the convention for an empty product.

## Factorization

In mathematics, factorization (also factorisation in some forms of British English) or factoring is the decomposition of an object (for example, a number, a polynomial, or a matrix) into a product of other objects, or factors, which when multiplied together give the original.

## Fibonacci number

In mathematics, the Fibonacci numbers or Fibonacci sequence are the numbers in the following integer sequence: or (often, in modern usage): By definition, the first two numbers in the Fibonacci sequence are either 1 and 1, or 0 and 1, depending on the chosen starting point of the sequence, and each subsequent number is the sum of the previous two.

## Field (mathematics)

In abstract algebra, a field is a nonzero commutative division ring, or equivalently a ring whose nonzero elements form an abelian group under multiplication.

## Field with one element

In mathematics, the field with one element is a suggestive name for an object that should behave similarly to a finite field with a single element, if such a field could exist.

## Figurate number

The term figurate number is used by different writers for members of different sets of numbers, generalizing from triangular numbers to different shapes (polygonal numbers) and different dimensions (polyhedral numbers).

## Formula One

Formula One (also Formula 1 or F1) is the highest class of single-seat auto racing that is sanctioned by the Fédération Internationale de l'Automobile (FIA).

## Fraction (mathematics)

A fraction (from fractus, "broken") represents a part of a whole or, more generally, any number of equal parts.

## Frank Layden

Frank Layden (born January 5, 1932) is a retired American basketball coach and executive of the National Basketball Association's Utah Jazz.

## Fred Hutchinson

Frederick Charles Hutchinson (August 12, 1919 – November 12, 1964) was an American professional baseball player, a Major League pitcher for the Detroit Tigers.

## Free throw

In basketball, free throws or foul shots are unopposed attempts to score points from a restricted area on the court (the free throw line; informally known as the foul line or the charity stripe), and are generally awarded after a foul on the shooter by the opposing team.

## Fullback (rugby league)

Fullback (or full-back) is one of the positions in a rugby league football team.

## Fundamental theorem of arithmetic

In number theory, the fundamental theorem of arithmetic, also called the unique factorization theorem or the unique-prime-factorization theorem, states that every integer greater than 1Using the empty product rule one need not exclude the number 1, and the theorem can be stated as: every positive integer has unique prime factorization.

## Gaelic football

Gaelic football (Irish: Peil Ghaelach; short name Peil or Caid), commonly referred to as football or Gaelic, is an Irish team sport.

## Gaussian integer

In number theory, a Gaussian integer is a complex number whose real and imaginary parts are both integers.

## Ge'ez script

Geʻez (ግዕዝ), (also known as Ethiopic) is a script used as an abugida (syllable alphabet) for several languages of Ethiopia and Eritrea.

## Generating function

In mathematics, a generating function is a formal power series in one indeterminate, whose coefficients encode information about a sequence of numbers an that is indexed by the natural numbers.

## Georgian language

Georgian (ქართული ენა tr. kartuli ena) is a Kartvelian language spoken by Georgians.

## German language

German (Deutsch) is a West Germanic language that derives most of its vocabulary from the Germanic branch of the Indo-European language family.

Glenn Henry "Mr.

## Glyph

In typography, a glyph is an elemental symbol within an agreed set of symbols, intended to represent a readable character for the purposes of writing and thereby expressing thoughts, ideas and concepts.

## Goalkeeper (association football)

Goalkeeper, often shortened to keeper or goalie, is one of the major positions of association football.

## Gothic language

Gothic is an extinct Germanic language that was spoken by the Goths.

## Greek language

Greek or Hellenic (Modern Greek: ελληνικά, elliniká, "Greek", ελληνική γλώσσα, ellinikí glóssa, "Greek language") is an independent branch of the Indo-European family of languages, native to the southern Balkans, the Aegean Islands, western Asia Minor, parts of northern and Eastern Anatolia and the South Caucasus, southern Italy, Albania and Cyprus.

## Greek numerals

Greek numerals are a system of representing numbers using the letters of the Greek alphabet.

## Gridiron football

Gridiron football, or North American football, is a form of football primarily played in the United States and Canada.

## Group (mathematics)

In mathematics, a group is an algebraic structure consisting of a set of elements together with an operation that combines any two elements to form a third element.

## Gujarati language

Gujarati (ગુજરાતી) is an Indo-Aryan language native to the Indian state of Gujarat.

## Gupta script

The Gupta script (sometimes referred to as Gupta Brahmi Script or Late Brahmi ScriptSharma, Ram. 'Brahmi Script'. Delhi: BR Publishing Corp, 2002) was used for writing Sanskrit and is associated with the Gupta Empire of India which was a period of material prosperity and great religious and scientific developments.

Gus Williams (born October 10, 1953) is a retired American professional basketball player most noted for his play with the NBA's Seattle SuperSonics, although he also played for the Golden State Warriors, Washington Bullets and Atlanta Hawks.

## Hebrew numerals

The system of Hebrew numerals is a quasi-decimal alphabetic numeral system using the letters of the Hebrew alphabet.

## History of the Houston Oilers

The professional American football team now known as the Tennessee Titans previously played in Houston, Texas, from 1960 to 1996.

## Hockey Hall of Fame

The Hockey Hall of Fame is located in Toronto, Ontario, Canada.

## Hurling

Hurling (Iománaíocht/Iomáint) is an outdoor team game of ancient Gaelic and Irish origin, administered by the Gaelic Athletic Association (GAA).

## Hydrogen

Hydrogen is a chemical element with chemical symbol H and atomic number 1.

## Identity element

In mathematics, an identity element (or neutral element) is a special type of element of a set with respect to a binary operation on that set.

## Identity matrix

In linear algebra, the identity matrix or unit matrix of size n is the n &times; n square matrix with ones on the main diagonal and zeros elsewhere.

## If and only if

In logic and related fields such as mathematics and philosophy, if and only if (shortened iff) is a biconditional logical connective between statements.

## Imaginary unit

The term imaginary unit or unit imaginary number refers to a solution to the equation.

## Indian subcontinent

The Indian subcontinent or the subcontinent is a southern region of Asia, mostly situated on the Indian Plate and projecting southwards into the Indian Ocean from the Himalayas.

## Indoor American football

In the United States, indoor football is football played at ice hockey-sized indoor arenas (besides for certain NFL teams which have large indoor stadiums, such as the New Orleans Saints who play in the Mercedes-Benz Superdome).

## Integer

An integer (from the Latin ''integer'' meaning "whole")Integer&#x2009;'s first, literal meaning in Latin is "untouched", from in ("not") plus tangere ("to touch").

## Inverse function

In mathematics, an inverse function is a function that "reverses" another function.

## Jacques Plante

Joseph Jacques Omer Plante (January 17, 1929 – February 27, 1986) was a Canadian professional ice hockey goaltender.

## Jamie McMurray

James Christopher "Jamie" McMurray (born June 3, 1976) is an American professional stock car racing driver.

## Johnny Bower

John William Bower (born John Kiszkan on November 8, 1924), nicknamed "The China Wall", is a Hockey Hall of Fame goaltender and the last goaltender to win the Stanley Cup for the Toronto Maple Leafs.

Kannada (ಕನ್ನಡ kannaḍa) or Canarese/Kanarese, is a Dravidian language spoken predominantly by Kannada people in the South Indian state of Karnataka, and by linguistic minorities in the states of Andhra Pradesh, Telangana, Tamil Nadu, Maharashtra, Kerala, and Goa.

## Khmer numerals

Khmer numerals are the numerals used in the Khmer language.

## Korean language

Korean (조선말, see below) is the official language of both South Korea and North Korea, as well as one of the two official languages in China's Yanbian Korean Autonomous Prefecture.

## Larry Weinberg

Larry Weinberg (born 1926) June 01, 1988 is an American real estate developer who was one of the founders of the NBA's Portland Trail Blazers.

## Latin

Latin (Latin: lingua latīna) is a classical language belonging to the Italic branch of the Indo-European languages.

## Length

In geometric measurements, length is the most extended dimension of an object.

## Line segment

In geometry, a line segment is a part of a line that is bounded by two distinct end points, and contains every point on the line between its end points.

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## Lithuanian language

Lithuanian (lietuvių kalba) is the official state language of Lithuania and is recognized as one of the official languages of the European Union.

## Logarithm

In mathematics, the logarithm is the inverse operation to exponentiation.

## Lorien Legacies

Lorien Legacies is a series of young adult science fiction books, written by James Frey, Jobie Hughes under the collective pseudonym Pittacus Lore.

## Los Angeles Dodgers

The Los Angeles Dodgers are a professional baseball team in Los Angeles, California, who are members of the National League West division of Major League Baseball (MLB).

## Magnitude (mathematics)

In mathematics, magnitude is the size of a mathematical object, a property by which the object can be compared as larger or smaller than other objects of the same kind.

## Magnus

Magnus, meaning "great" in Latin, was sometimes used as a first name among Romans but was not particularly common among them.

## Major League Baseball

Major League Baseball (MLB) is a professional baseball organization that is the oldest of the four major professional sports leagues in the United States and Canada.

## Major professional sports leagues in the United States and Canada

The major professional sports leagues in the United States and Canada are the highest professional competitions of team sports in the United States and Canada.

## Malayalam

Malayalam, sometimes referred to as Kairali, is a language spoken in India, predominantly in the state of Kerala.

## Manager (baseball)

In baseball, the field manager (commonly referred to as the manager) is an individual who is responsible for matters of team strategy on the field and team leadership.

## Matrix of ones

In mathematics, a matrix of ones or all-ones matrix is a matrix where every element is equal to one.

## Max Bunker

Max Bunker, pseudonym of Luciano Secchi (Milan, 24 August 1939), is an Italian comic book writer, best known as author of Alan Ford in 1969.

## Möbius function

The classical Möbius function μ(n) is an important multiplicative function in number theory and combinatorics.

## Measurement

Measurement is the assignment of a number to a characteristic of an object or event, which can be compared with other objects or events.

## Milwaukee Bucks

The Milwaukee Bucks are an American basketball team based in Milwaukee, Wisconsin.

## Minnesota Wild

The Minnesota Wild is an American professional ice hockey team based in St. Paul, Minnesota, United States.

## Monoid

In abstract algebra, a branch of mathematics, a monoid is an algebraic structure with a single associative binary operation and an identity element.

The Montreal CanadiensEven in English, the French spelling, Canadiens, is always used.

## Multiplication

Multiplication (often denoted by the cross symbol "×", by a point "·" or by the absence of symbol) is one of the four elementary, mathematical operations of arithmetic; with the others being addition, subtraction and division.

## Multiplicative function

In number theory, a multiplicative function is an arithmetic function f(n) of the positive integer n with the property that f(1).

## Multiply perfect number

In mathematics, a multiply perfect number (also called multiperfect number or pluperfect number) is a generalization of a perfect number.

## Naismith Memorial Basketball Hall of Fame

The Naismith Memorial Basketball Hall of Fame is an American history museum and hall of fame, located at 1000 Hall of Fame Avenue in Springfield, Massachusetts.

## NASCAR

The National Association for Stock Car Auto Racing (NASCAR) is a family-owned and -operated business venture that sanctions and governs multiple auto-racing sports events.

## Nate Archibald

Nathaniel "Tiny" Archibald (born September 2, 1948) is a retired American professional basketball player.

## National Baseball Hall of Fame and Museum

The National Baseball Hall of Fame and Museum is an American history museum and hall of fame, located at 25 Main Street in Cooperstown, New York, and operated by private interests.

The National Basketball Association (NBA) is the pre-eminent men's professional basketball league in North America, and is widely considered to be the premier men's professional basketball league in the world.

## National Football League

The National Football League (NFL) is a professional American football league consisting of 32 teams, divided equally between the National Football Conference (NFC) and the American Football Conference (AFC).

## National Hockey League

The National Hockey League (NHL; Ligue nationale de hockey—LNH) is a professional ice hockey league composed of 30 member clubs: 23 in the United States and 7 in Canada.

## Natural number

In mathematics, the natural numbers (sometimes called the whole numbers): "whole number An integer, though sometimes it is taken to mean only non-negative integers, or just the positive integers." give definitions of "whole number" under several headwords: INTEGER … Syn. whole number.

## Neoplatonism

Neoplatonism is a modern term for a period of philosophy in the late Roman empire, which began with the philosopher Plotinus in the 3rd century CE and continued with his critics and commentators until the 529 CE closing of the Platonic Academy in Athens, symptom of the general shift in Roman culture against Hellenic pagan philosophy to Christian dogma.

## Nepali language

Nepali or Nepalese is an Indo-Aryan language.

## New York Giants

The New York Giants are a professional American football team located in the New York metropolitan area.

## New York Rangers

The New York Rangers are a professional ice hockey team based in the borough of Manhattan in New York City.

## New York Yankees

The New York Yankees are an American professional baseball team based in the Bronx, New York City, New York, that competes in Major League Baseball (MLB).

## Norm (mathematics)

In linear algebra, functional analysis, and related areas of mathematics, a norm is a function that assigns a strictly positive length or size to each vector in a vector space—save for the zero vector, which is assigned a length of zero.

## Number

A number is a mathematical object used to count, measure and label.

## Numeral (linguistics)

In linguistics, a numeral is a member of a word class (or sometimes even a part of speech) designating numbers, such as the English word 'two' and the compound 'seventy-seven'.

## Numeral system

A numeral system (or system of numeration) is a writing system for expressing numbers, that is, a mathematical notation for representing numbers of a given set, using digits or other symbols in a consistent manner.

## Oklahoma City Thunder

The Oklahoma City Thunder is an American professional basketball team based in Oklahoma City, Oklahoma.

## Old Church Slavonic

Old Church Slavonic, also known as Old Church Slavic (often abbreviated to OCS; self-name, slověnĭskŭ językŭ), was the first Slavic literary language.

## Old Frisian

Old Frisian is a West Germanic language spoken between the 8th and 16th centuries in the area between the Rhine and Weser on the European North Sea coast.

## Old Irish

Old Irish (Goídelc) (sometimes called Old Gaelic) is the name given to the oldest form of the Goidelic languages for which extensive written texts are extant.

## Old Norse

Old Norse was a North Germanic language that was spoken by inhabitants of Scandinavia and inhabitants of their overseas settlements during about the 9th to 13th centuries.

## Old Persian

The Old Persian language or Achaemenian is one of the two directly attested Old Iranian languages (the other being Avestan).

## On-Line Encyclopedia of Integer Sequences

The On-Line Encyclopedia of Integer Sequences (OEIS), also cited simply as Sloane's, is an online database of integer sequences.

## One (pronoun)

One is a pronoun in the English language.

## Oscar Robertson

Oscar Palmer Robertson (born November 24, 1938), nicknamed "The Big O", is a retired American National Basketball Association player who played for the Cincinnati Royals and Milwaukee Bucks.

## Ozzie Smith

Osborne Earl "Ozzie" Smith (born December 26, 1954) is a retired American baseball shortstop who played in Major League Baseball (MLB) for the San Diego Padres and St. Louis Cardinals from 1978 to 1996.

## Parity (mathematics)

Parity is a mathematical term that describes the property of an integer's inclusion in one of two categories: even or odd.

## Peano axioms

In mathematical logic, the Peano axioms, also known as the Dedekind–Peano axioms or the Peano postulates, are a set of axioms for the natural numbers presented by the 19th century Italian mathematician Giuseppe Peano.

## Pee Wee Reese

Harold Peter Henry "Pee Wee" Reese (July 23, 1918 – August 14, 1999) was an American professional baseball player.

## Pentagonal number

A pentagonal number is a figurate number that extends the concept of triangular and square numbers to the pentagon, but, unlike the first two, the patterns involved in the construction of pentagonal numbers are not rotationally symmetrical.

## Persian language

Persian, also known by its endonym Farsi or Parsi (English:; Persian: فارسی), is the predominant modern descendant of Old Persian, a southwestern Iranian language within the Indo-Iranian branch of the Indo-European languages.

The Philadelphia Flyers are a professional ice hockey team based in Philadelphia, Pennsylvania.

The Philadelphia Phillies are an American professional baseball team based in Philadelphia, Pennsylvania.

## Philosophy

Philosophy is the study of the general and fundamental nature of reality, existence, knowledge, values, reason, mind, and language.

## Pitcher

In baseball, the pitcher is the player who throws the baseball from the pitcher's mound toward the catcher to begin each play, with the goal of retiring a batter, who attempts to either make contact with the pitched ball or draw a walk.

## Pittsburgh Pirates

The Pittsburgh Pirates are an American professional baseball team based in Pittsburgh, Pennsylvania, that competes in Major League Baseball (MLB).

## Plotinus

Plotinus (Πλωτῖνος; c. 204/5 – 270) was a major philosopher of the ancient world.

## Point guard

Point guard (PG), also called the one or point, is one of the standard positions in a regulation basketball game.

## Polyethylene terephthalate

Polyethylene terephthalate (sometimes written poly(ethylene terephthalate)), commonly abbreviated PET, PETE, or the obsolete PETP or PET-P, is the most common thermoplastic polymer resin of the polyester family and is used in fibers for clothing, containers for liquids and foods, thermoforming for manufacturing, and in combination with glass fiber for engineering resins.

## Portland Trail Blazers

The Portland Trail Blazers, commonly known as the Blazers, are a professional basketball team based in Portland, Oregon.

## Prime number

A prime number (or a prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself.

## Principia Mathematica

The Principia Mathematica is a three-volume work on the foundations of mathematics, written by Alfred North Whitehead and Bertrand Russell and published in 1910, 1912, and 1913.

## Pro Football Hall of Fame

The Pro Football Hall of Fame is the hall of fame for professional football in the United States with an emphasis on the National Football League (NFL).

## Probability

Probability is the measure of the likeliness that an event will occur.

## Punjabi language

Punjabi (Shahmukhi: پنجابی; Gurmukhi: ਪੰਜਾਬੀ) is an Indo-Aryan language spoken by 130 million native speakers worldwide, making it the 9th most widely spoken language (2015) in the world.

Radical 1 meaning "one" is 1 of 6 Kangxi radicals (214 radicals total) composed of 1 stroke.

## Ray Flaherty

Raymond Paul Flaherty (September 1, 1903 – July 19, 1994) was an American football player and coach in the National Football League, and a member of the Pro Football Hall of Fame.

## Real number

In mathematics, a real number is a value that represents a quantity along a continuous line.

## Repeating decimal

A repeating or recurring decimal is a way of representing rational numbers in base 10 arithmetic.

## Resin identification code

The SPI resin identification coding system is a set of symbols placed on plastics to identify the polymer type.

## Richie Ashburn

Don Richard "Richie" Ashburn (March 19, 1927 – September 9, 1997), also known by the nicknames, "Putt-Putt", "The Tilden Flash", and "Whitey" due to his light-blond hair, was an American center fielder in Major League Baseball.

## Ring (mathematics)

In mathematics, and more specifically in algebra, a ring is an algebraic structure with operations that generalize the arithmetic operations of addition and multiplication.

## Roman numerals

Roman numerals, the numeric system used in ancient Rome, employs combinations of letters from the Latin alphabet to signify values.

## Root of unity

In mathematics, a root of unity, occasionally called a de Moivre number, is any complex number that gives 1 when raised to some positive integer power.

## Rugby league

Rugby league football, usually called rugby league, or simply league, is a full contact sport played by two teams of thirteen players on a rectangular field.

## Rugby union

Rugby union, or simply rugby, is a contact team sport which originated in England in the first half of the 19th century.

## Sacramento Kings

The Sacramento Kings are a professional basketball team based in Sacramento, California.

## Seattle SuperSonics

The Seattle SuperSonics (commonly known as the Sonics) were a professional basketball team based in Seattle, Washington, that played in the Pacific and Northwest Divisions of the National Basketball Association (NBA) from 1967 until 2008.

## Seattle SuperSonics relocation to Oklahoma City

The Seattle SuperSonics relocation to Oklahoma City was a successful effort by the ownership group of the Seattle SuperSonics to move the team from Seattle, Washington to Oklahoma City, Oklahoma.

## Serif

In typography, a serif is a small line attached to the end of a stroke in a letter or symbol.

## Set (mathematics)

In mathematics, a set is a collection of distinct objects, considered as an object in its own right.

## Single (football)

In Canadian football, a single (single point, or rouge), scoring one point, is awarded when the ball is kicked into the end zone by any legal means, other than a successful field goal, and the receiving team does not return, or kick, the ball out of its end zone.

## Singleton (mathematics)

In mathematics, a singleton, also known as a unit set, is a set with exactly one element.

## Six-man football

Six-man football is a variant of American football that is played with six players per team, instead of 11.

## Square (algebra)

In mathematics, a square is the result of multiplying a number by itself.

## Square-free integer

In mathematics, a square-free, or quadratfrei (from German language) integer, is an integer which is divisible by no other perfect square than 1.

The St.

## Super League

Super League, officially the First Utility Super League for sponsorship reasons, is the top-level professional rugby league club competition in Europe.

## Tally marks

Tally marks, also called hash marks, are a unary numeral system.

## Tamil language

Tamil also spelt Thamizh is a Dravidian language spoken predominantly by Tamil people of Tamil Nadu and Sri Lanka.

## Telugu language

Telugu (తెలుగు telugu) is a Dravidian language and is the only language other than Hindi, English and Bengali that is predominantly spoken in more than one Indian state, being the primary language in Andhra Pradesh and Telangana, as well as in the town of Yanam where it is also an official language.

## Tennessee Titans

The Tennessee Titans are a professional American football team and one of the 32 franchises of the National Football League (NFL).

## Terry Sawchuk

Terrance Gordon Sawchuk (December 28, 1929 – May 31, 1970) was a Ukrainian-Canadian professional ice hockey goaltender who played 21 seasons in the National Hockey League (NHL) for the Detroit Red Wings, Boston Bruins, Toronto Maple Leafs, Los Angeles Kings and the New York Rangers.

## Text figures

Text figures (also known as non-lining, lowercase, old style, ranging, hanging, medieval, billing, or antique figures or numerals) are numerals typeset with varying heights in a fashion that resembles a typical line of running text, hence the name.

## Thai numerals

Thai numerals (เลขไทย, IPA) constitute a numeral system of Thai number names for the Khmer numerals traditionally used in Thailand, also used for the more common Arabic numerals, and which follow the Hindu-Arabic numeral system.

## Toronto Maple Leafs

The Toronto Maple Leafs (officially the Toronto Maple Leaf Hockey Club) are a professional ice hockey team based in Toronto, Ontario, Canada.

## Touchback

In American football, a touchback is a ruling which is made and signaled by an official when the ball becomes dead on or behind a team's own goal line (i.e., in an end zone) and the opposing team gave the ball the momentum, or impetus, to travel over or across the goal line.

## Triangular number

A triangular number or triangle number counts the objects that can form an equilateral triangle, as in the diagram on the right.

## Turk Broda

Walter Edward "Turk" Broda (Володимир Брода; May 15, 1914 – October 17, 1972) was a Canadian professional ice hockey player and coach.

## Two-point conversion

In American and Canadian football, a two-point conversion or two-point convert is a play a team attempts instead of kicking a one-point conversion immediately after it scores a touchdown.

## Typeface

In typography, a typeface (also known as font family) is a set of one or more fonts each composed of glyphs that share common design features.

## Unary numeral system

The unary numeral system is the bijective base-1 numeral system.

## Unit (ring theory)

In mathematics, an invertible element or a unit in a (unital) ring is any element that has an inverse element in the multiplicative monoid of, i.e. an element such that The set of units of any ring is closed under multiplication (the product of two units is again a unit), and forms a group for this operation.

## Unit fraction

A unit fraction is a rational number written as a fraction where the numerator is one and the denominator is a positive integer.

## Unit interval

In mathematics, the unit interval is the closed interval, that is, the set of all real numbers that are greater than or equal to 0 and less than or equal to 1.

## Unit vector

In mathematics, a unit vector in a normed vector space is a vector (often a spatial vector) of length 1.

## Urdu

Urdu (اُردُو ALA-LC:;, or Modern Standard Urdu) is a standardised register of the Hindustani language.

## Utah Jazz

The Utah Jazz is an American professional basketball team based in Salt Lake City, Utah.

## Von Neumann cardinal assignment

The von Neumann cardinal assignment is a cardinal assignment which uses ordinal numbers.

## Walter A. Brown

Walter A. Brown (February 10, 1905 – September 7, 1964) was the founder and original owner of the Boston Celtics as well as an important figure in the development of ice hockey in the United States.

## Warren Moon

Harold Warren Moon (born November 18, 1956) is a former American professional gridiron football quarterback who played for the Canadian Football League's Edmonton Eskimos and the National Football League's Houston Oilers, Minnesota Vikings, Seattle Seahawks, and Kansas City Chiefs.

## Written Chinese

Written Chinese comprises Chinese characters (汉字/漢字; pinyin: Hànzì, literally "Han characters") used to represent the Chinese language.

## X-height

In typography, the x-height or corpus size refers to the distance between the baseline and the mean line of lower-case letters in a typeface.

## 0 (number)

0 (zero; BrE: or AmE) is both a number and the numerical digit used to represent that number in numerals.

## 0.999...

In mathematics, the repeating decimal 0.999... (sometimes written with more or fewer 9s before the final ellipsis, for example as 0.9..., or in a variety of other variants such as 0.9, 0.(9), or) denotes a real number that can be shown to be the number ''one''.

## 10 (number)

10 (ten) is an even natural number following 9 and preceding 11.

## 100 (number)

100 or one hundred (Roman numeral: Ⅽ) is the natural number following 99 and preceding 101.

## 1000 (number)

1000 or one thousand is the natural number following 999 and preceding 1001 in most English-speaking countries.

## 11 (number)

11 (eleven or) is the natural number following 10 and preceding 12.

## 12 (number)

12 (twelve) is the natural number following 11 and preceding 13.

## 13 (number)

13 (thirteen) is the natural number following 12 and preceding 14.

## 14 (number)

14 (fourteen) is the natural number following 13 and preceding 15.

## 15 (number)

15 (fifteen) is the natural number following 14 and preceding 16.

## 16 (number)

16 (sixteen) is the natural number following 15 and preceding 17.

## 17 (number)

17 (seventeen) is the natural number following 16 and preceding 18.

## 18 (number)

18 (eighteen) is the natural number following 17 and preceding 19.

## 19 (number)

19 (nineteen) is the natural number following 18 and preceding 20.

## 2 (number)

2 (Two) is a number, numeral, and glyph.

## 20 (number)

20 (twenty) is the natural number following 19 and preceding 21.

## 21 (number)

21 (twenty-one) is the natural number following 20 and preceding 22.

## 22 (number)

22 (twenty-two) is the natural number following 21 and preceding 23.

## 23 (number)

23 (twenty-three) is the natural number following 22 and preceding 24.

## 24 (number)

24 (twenty-four) is the natural number following 23 and preceding 25.

## 25 (number)

25 (twenty-five) is the natural number following 24 and preceding 26.

## 3 (number)

3 (three) is a number, numeral, and glyph.

3x3 (pronounced 3 on 3, 3 by 3 or 3x3), known also as streetball or street basketball is a form of the game played three a side on one hoop.

## 4 (number)

4 (four) is a number, numeral, and glyph.

## 5 (number)

5 (five) is a number, numeral, and glyph.

## 50 (number)

50 (fifty) is the natural number following 49 and preceding 51.

## 6 (number)

6 (six) is the natural number following 5 and preceding 7.

## 7 (number)

7 (seven) is the natural number following and preceding.

## 8 (number)

8 (eight) is the natural number following 7 and preceding 9.

## 9 (number)

9 (nine) is the natural number following 8 and preceding 10.

## 98 (number)

98 (ninety-eight) is the natural number following 97 and preceding 99.

## References

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