R

This article is on the letter "R", for other uses go to R (disambiguation). R is the eighteenth letter of the modern Latin alphabet. Its name in English is spelled ar (: or ).
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The acute accent ( ) is a  diacritic mark used in many modern written languages with alphabets based on the Latin and Greek scripts. The word acute is derived from the Latin acutus ("sharp"), itself a loan translation of the Greek  (oxýs).
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A caron ( ˇ ) or háček (pronounced ; ), also known as a wedge, inverted circumflex, inverted hat, is a diacritic placed over certain letters to indicate present or historical palatalization, iotation, or postalveolar pronunciation in the orthography of some Baltic, Slavic, Finno-Lappic, and other languages.
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Originally, carriage return was the term for the control character in Baudot code on a teletypewriter for end of line return to beginning of line and did not include line feed. Later it was used for a mechanism or lever on a typewriter that would cause the cylinder on which the paper was held (the carriage) to return to the left side of the paper after a line of text had been typed, and would usually move the paper to the next line as well. The first power carriage return was added to electric typewriters by Smith Corona in 1960. The key for this was usually labelled "carriage return" or "return". To improve the keyboard for non-English-speakers, the symbol was introduced to mark this key, since this graphic could communicate the action of the key without using words.
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D- means:Placed before a U.S. state, usually in parentheses, indicates the person it applies to is a Democratic Party politician of that state. "R-" is used for the Republican Party.An academic grade given by certain institutions. Slightly better than an F+ and slightly worse than a D. See Grade (education).
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The system of hyperreal numbers represents a rigorous method of treating the ideas about infinite and infinitesimal numbers that had been used casually by mathematicians, scientists, and engineers ever since the invention of calculus by Newton and Leibniz. The hyperreals, or nonstandard reals (usually denoted as *R), denote an ordered field which is a proper extension of the ordered field of real numbers R and which satisfies the transfer principle. This principle allows true first order statements about R to be reinterpreted as true first order statements about *R.
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R++ is a rule-based programming language based on C++. The United States patent describes R++ as follows:The R++ extension permits rules to be defined as members of C++ classes. The programming system of the invention takes the classes with rules defined using R++ and generates C++ code from them in which the machinery required for the rules is implemented completely as C++ data members and functions of the classes involved in the rules.
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For the letter of the alphabet, see R. For the album by R. Kelly, see R. (album). R. is an abbreviation of the Latin word Rex (King) or Regina (Queen) and is used as notation in British criminal prosecutions to mean "the Crown" or "the State", which is represented by the current monarch.It is often seen written as "R. v Defendant" which would be read as "the Crown versus the Defendant".In jurisdictions that are republics, there is no Monarch and no one person embodies the state, so the prosecuting party is not any individual but rather either the State in and of itself, or (in some locations) the state on the behalf of the people it governs. An example of the former would be federal criminal cases in the United States (such as, for instance, the murder of persons in a building owned or operated by the United States government), which being prosecuted by the United States federal government would be termed United States v Defendant. On the other hand, most U.S. states, when prosecuting an offense, typically couch their case in terms of representing the people of the state, so if John Doe robbed a bank in Detroit, the case would be referred to as the People of the State of Michigan v John Doe.
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Rockstar Games is a development division of video game publisher Take-Two Interactive, based in New York City, United States. The brand is most known for the Grand Theft Auto series. It comprises studios that have been acquired and renamed as well as others that have been created internally. While many of the studios Take-Two Interactive has acquired have been merged into the Rockstar brand, several other recent ones have retained their previous identities and have become part of the company's 2K Games division.
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For other senses of this word, see Trademark (disambiguation). A trademark or trade mark is a distinctive sign or indicator of some kind which is used by an individual, business organization or other legal entity to uniquely identify the source of its products and/or services to consumers, and to distinguish its products or services from those of other entities. A trademark is a type of intellectual property, and typically comprises a name, word, phrase, logo, symbol, design, image, or a combination of these elements. There is also a range of non-conventional trademarks comprising marks which do not fall into these standard categories.
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n. r, 18th letter of the alphabet

radius, straight line drawn from the center of a circle to the circumference; one of the bones of the forearm

right, side that is opposite the left side

n. r, 18th letter of the English alphabet

n. r, 18th letter of the Italian alphabet

v. resist, stand, withstand, endure, hold out, sit, last, stand out, stay