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Topics referred to by the same term
R2, R02, R.II, R-2, or similar may refer to: R2-D2, a character from Star Wars films and books, nickname R2 Code Geass: Lelouch of the Rebellion R2, a
R2
Robot character from Star Wars
R2-D2 (/ˌɑːr.tuːˈdiːtuː/) or Artoo-Detoo is a fictional robot character in the Star Wars franchise created by George Lucas. He has appeared in ten of the
R2-D2
American electric mid-size SUV
Rivian R2 is a battery electric mid-size SUV being produced by American electric vehicle manufacturer Rivian. It is the second Rivian SUV. The Rivian R2 was
Rivian_R2
Indicator for how well data points fit a line or curve
In statistics, the coefficient of determination, denoted R2 or r2 and pronounced "R squared", is the proportion of the variation in the dependent variable
Coefficient_of_determination
Motor vehicle
The Subaru R2 is a kei car produced and sold in Japan by Fuji Heavy Industries from 2003 to 2010. Its name was inspired by the Subaru R-2, produced from
Subaru_R2
Scientology slang for murder or suicide by gun
R2-45 is Scientology slang for murder or suicide by gun. Scientology founder L. Ron Hubbard described it as "an enormously effective process for exteriorization
R2-45
Japanese anime television series
2006 to July 2007. Its sequel series, Code Geass: Lelouch of the Rebellion R2, ran as a simulcast on MBS and TBS from April to September 2008. The series
Code_Geass
followed by Code Geass: Lelouch of the Rebellion R2 (コードギアス 反逆のルルーシュ R2, Kōdo Giasu: Hangyaku no Rurūshu R2) which aired on April 6, 2008, and was broadcast
List_of_Code_Geass_episodes
Human Y-chromosome DNA haplogroup
Haplogroup R2, or R-M479, is a Y-chromosome haplogroup characterised by genetic marker M479. It is one of two primary descendants of Haplogroup R (R-M207)
Haplogroup_R2
Anime series
Code Geass: Lelouch of the Rebellion R2 (Japanese: コードギアス 反逆のルルーシュ R2, Hepburn: Kōdo Giasu: Hangyaku no Rurūshu R2), is produced by Sunrise, Mainichi Broadcasting
List of Code Geass season 2 episodes
List_of_Code_Geass_season_2_episodes
Formula One racing car
The Jaguar R2 was the car with which the Jaguar team competed in the 2001 Formula One World Championship. It was driven by Eddie Irvine, who was in his
Jaguar_R2
Version of Windows Server, released in 2013
Windows Server 2012 R2, codenamed "Windows Server Blue", is the tenth major version of the Windows NT operating system produced by Microsoft to be released
Windows_Server_2012_R2
English actor and musician (1934–2016)
2016) was a British actor, comedian and musician. He portrayed the character R2-D2 in the Star Wars franchise and also appeared in The Elephant Man, Time
Kenny_Baker_(English_actor)
Version of Windows Server, released in 2009
Windows Server 2008 R2, codenamed "Windows Server 7" is the eighth major version of the Windows NT operating system produced by Microsoft to be released
Windows_Server_2008_R2
RNA family
The R2 RNA element is a non-long terminal repeat (non-LTR) retrotransposable element that inserts at a specific site in the 28S ribosomal RNA (rRNA) genes
R2_RNA_element
Group of server operating systems by Microsoft
while Windows Server 2008 R2 is based on Windows 7. Windows Server 2012 is based on Windows 8, while Windows Server 2012 R2 is based on Windows 8.1. These
Windows_Server
Signalling System R2 is a signalling protocol for telecommunications that was in use from the 1960s mostly in Europe, and later also in Latin America,
Signalling_System_R2
Native hypervisor by Microsoft
monitoring of the Hyper-V Server. Hyper-V Server 2008 R2 (an edition of Windows Server 2008 R2) was made available in September 2009 and includes Windows
Hyper-V
Commuter rail line in Barcelona, Spain
The R2 is a line of Rodalies de Catalunya's Barcelona commuter rail service, operated by Renfe Operadora and the Generalitat de Catalunya government. It
R2_(Rodalies_de_Catalunya)
Science fiction television series (1997–2007)
Stargate SG-1 (abbreviated as SG-1) is a military science fiction adventure television series within Metro-Goldwyn-Mayer's Stargate franchise. The show
Stargate_SG-1
doctoral universities: R1: Doctoral Universities – Very high research activity R2: Doctoral Universities – High research activity D/PU: Doctoral/Professional
List of research universities in the United States
List_of_research_universities_in_the_United_States
Version of Windows Server, released in 2003
predecessor to Windows Server 2008. An updated version, Windows Server 2003 R2, was released to manufacturing on December 6, 2005, and generally available
Windows_Server_2003
Long-period comet
C/2025 R2 (SWAN), formerly known as SWAN25B, is a long-period comet discovered on 11 September 2025 by Vladimir Bezugly through SWAN imagery. The comet
C/2025_R2_(SWAN)
Statistical measure of fit
variable is nominal or ordinal such that the coefficient of determination R2 cannot be applied as a measure for goodness of fit and when a likelihood function
Pseudo-R-squared
1995 video game
Rendering Ranger: R2 is a 1995 side scrolling action video game developed by Rainbow Arts and published by Virgin Interactive for the Super Famicom. It
Rendering_Ranger:_R2
Type of motorcycle
The BMW R2 was a 198 cc overhead valve single-cylinder motorcycle produced by BMW between 1931 and 1936, the smallest motorcycle ever to enter series production
BMW_R2
Czech supermini car
The Škoda Fabia is a series of passenger cars produced by Czech manufacturer Škoda Auto since 1999. It is the successor of the Škoda Felicia, which was
Škoda_Fabia
Molecular cloud complex in the constellation Monoceros
The Monoceros R2 Molecular Cloud Complex, also known as the Monoceros R2 Molecular Cloud, is a predominantly unilluminated giant molecular cloud, located
Monoceros_R2
American computer hardware subsidiary of Dell Inc.
2016, Alienware announced the second rendition of the Alpha, the Alpha R2. The R2 adds 6th generation Intel processors, a choice of either AMD's Radeon
Alienware
Pack 1 or higher), Vista, Server 2008, 7, Server 2008 R2, 8, Server 2012, 8.1, Server 2012 R2, 10, and Server 2016. An unofficial backport for Windows
.NET Framework version history
.NET_Framework_version_history
Version of Windows Server, released in 2012
Windows based on Windows 8 and succeeds the Windows 7-based Windows Server 2008 R2, released nearly three years earlier. Three pre-release versions, a developer
Windows_Server_2012
Humanoid robot
Earth orbit", and R2 will provide performance data about how a robot may work side-by-side with astronauts. The latest Robonaut version, R2, was delivered
Robonaut
Public university in Huntington, West Virginia, US
fourth chief justice of the United States. The university is classified among "R2: Doctoral Universities – High research activity". Marshall University was
Marshall_University
American-Canadian animated television series
Adventures of R2-D2 and C-3PO is a 1985 animated television series spin off from the original Star Wars trilogy. It focuses on the exploits of droids R2-D2 and
Star_Wars:_Droids
Chinese car marque
the iQ officially kicked off the brand in August 2018. The third Ora model R2 (later White Cat) was first previewed in June 2019, with production officially
Ora_(marque)
Motor vehicle
L TU3 I4 1.4 L ET3 I4 1.4 L DV4 HDi I4 1.6 L TU5 I4 1.6 L TU5 JP4S I4 (C2-R2 Max) 1.6 L DV6 HDi I4 Transmission 5-speed automated manual transmission 5-speed
Citroën_C2
Carbon monoxide-rich comet
C/2016 R2 (PanSTARRS), or simply C/2016 R2, is an unusual long-period comet that is extremely rich in carbon monoxide and nitrogen, but contains very
C/2016_R2_(PanSTARRS)
Robots in the Star Wars franchise
hyperdrive to plot a safe course when traveling at faster-than-light speeds. R2-D2 is an astromech droid introduced in 1977's Star Wars and featured in all
Droid_(Star_Wars)
Motor vehicle
(Source: Opel Magazine) Opel Adam R2 (rally car) Opel presented the study of the Adam R2 for the FIA Rally Regulations R2 at the 2013 Geneva Motor Show in
Opel_Adam
Version of Windows Server, released in 2008
Server 2008 is the successor to Windows Server 2003 R2 and the predecessor to Windows Server 2008 R2. It removed support for computers without ACPI, and
Windows_Server_2008
2009 Microsoft operating system version
three years earlier. Windows 7's server counterpart, Windows Server 2008 R2, was released at the same time. It sold over 630 million copies before it
Windows_7
System to measure electrical resistance
resistance to be measured. R1, R2, and R3 are resistors of known resistance and the resistance of R2 is adjustable. The resistance R2 is adjusted until the bridge
Wheatstone_bridge
Robot character from Star Wars
droids the "comic aspect" of the original Star Wars film, and that C-3PO and R2-D2 were designed to resemble the comedy duo Laurel and Hardy. Filming Star
C-3PO
2014 Android Wear-based smartwatch
The LG G Watch R (model W110) is an Android Wear-based smartwatch announced and released by LG and Google on October 25, 2014. It is the second round-faced
LG_G_Watch_R
CPU socket created by Intel
enthusiast class) and C600-series (EP – Xeon class) chipsets. LGA 2011-1 (Socket R2), an updated generation of the socket and the successor of LGA 1567, is used
LGA_2011
Road in Zimbabwe
The R2 Road is an international road in Zimbabwe that runs from Harare (Capital of Zimbabwe), through Bulawayo, to Plumtree border post. It is a combination
R2_road_(Zimbabwe)
Book by Brian Kernighan and Dennis Ritchie
The C Programming Language (sometimes termed K&R, after its authors' initials) is a computer programming book written by Brian Kernighan and Dennis Ritchie
The_C_Programming_Language
Example of topological space
given to the plane R2 with an extra point, say 0*, added. In this case, the double origin topology gives a topology on the set X = R2 ⊔ {0*}, where ⊔ denotes
Double_origin_topology
Human blood group system involving 49 blood antigens
Rh haplotype notation Fisher–Race Wiener Dce R0 DCe R1 DcE R2 DCE RZ dce r dCe r' dcE r″ dCE ry
Rh_blood_group_system
Operating system for high performance computing
Windows HPC Server 2008 R2, also known as Windows Server 2008 R2 HPC Edition (codenamed Windows 7 Server) based on Windows Server 2008 R2, was released on 20
Windows_HPC_Server_2008
School district in Colorado, United States
The Thompson School District is located in Loveland, Colorado and covers territory in Loveland, Berthoud, a southern section of Fort Collins and portions
Thompson_School_District
International governing body for association football in South America
1986–present: knockout round of 8) R3 – Round 3 (2026–present: knockout round of 16) R2 – Round 2 (1974–1978: second group stage, top 8; 1982: second group stage
CONMEBOL
Association football tournament in Mexico
Group B, R2, QF, SF, Final Mexico Estadio Olímpico Universitario Group A, R2 Argentina, Bulgaria, South Korea Estadio Jalisco Group D, R2, QF, SF Brazil
1986_FIFA_World_Cup
International governing body for association football in North America
1986–present: knockout round of 8) R3 – Round 3 (2026–present: knockout round of 16) R2 – Round 2 (1974–1978: second group stage, top 8; 1982: second group stage
CONCACAF
SEPTA Regional Rail service
City stations the terminus for all lines. This also ended the combined R2 Newark/R2 Warminster service. SEPTA activated positive train control on the Wilmington/Newark
Wilmington/Newark_Line
Hypervisor for Microsoft Windows
last version using this name was Microsoft Virtual Server 2005 R2 SP1. New features in R2 SP1 include Linux guest operating system support, Virtual Disk
Microsoft_Virtual_Server
Human Y-chromosome DNA haplogroup
Afghanistan – may therefore belong to R2.) It is possible that neither of the primary branches of R-M207, namely R1 (R-M173) and R2 (R-M479) still exist in their
Haplogroup_R_(Y-DNA)
Mathematical model of the physical space
Euclidean geometry is a mathematical system attributed to Euclid, an ancient Greek mathematician, which he described in his textbook on geometry, Elements
Euclidean_geometry
2008 R2 SP1". Microsoft. Retrieved September 19, 2011. "Microsoft® SQL Server® 2008 R2 SP2". Microsoft. Retrieved July 31, 2012. "SQL Server 2008 R2 Service
History of Microsoft SQL Server
History_of_Microsoft_SQL_Server
American media franchise
original trilogy), Luke's sister (not yet determined to be Leia), Han, Leia, R2-D2 and C-3PO. However, after beginning work on the prequel trilogy, Lucas
Star_Wars
International governing body for association football in Europe
1986–present: knockout round of 8) R3 – Round 3 (2026–present: knockout round of 16) R2 – Round 2 (1974–1978: second group stage, top 8; 1982: second group stage
UEFA
Fictional character from Code Geass
Lelouch of the Rebellion R2 (May 4, 2008) ”The C’s World.” Episode 15 of Season 2 of Code Geass: Lelouch of the Rebellion R2 (July 20, 2008) ”Zero.” Episode
C.C._(Code_Geass)
Expressway in Slovakia
R2 is an expressway (Slovak: rýchlostná cesta) in Slovakia, which begins near Trenčín and ends near Košice. It passes Bánovce nad Bebravou, Prievidza,
R2_expressway_(Slovakia)
International governing body for association football in Asia
1954–1970, and 1986–present) R3 — Round 3 (2026–present: knockout round of 16) R2 — Round 2 (1974–1978: second group stage, top 8; 1982: second group stage
Asian_Football_Confederation
Web browser by Microsoft for Windows released in 2013
RT 8.1 and Windows Server 2012 R2 on October 17, 2013, and was later released for Windows 7 and Windows Server 2008 R2 on November 7, 2013. It is the
Internet_Explorer_11
Public observatory in Germany
Zweibrücken, Germany. Its dome was painted to resemble the Star Wars character R2-D2 in 2018. The observatory is located on a hill in the Zweibrücken campus
Zweibrücken_Observatory
Country in Southern Africa
industrialisation programme. The IRP, representing an estimated investment of R2.2 trillion (approximately US$130 billion), aims to strengthen energy security
South_Africa
Version of Windows Server, released in 2018
Windows Server 2019 is the twelfth major version of the Windows NT operating system produced by Microsoft to be released under the Windows Server brand
Windows_Server_2019
left R2-5D Keep right R2-6I Keep left R2-6D Keep right R2-7 No entry R2-8 No U-turn R2-9I No left turn R2-9D No right turn R2-10 No left or U-turn R2-11
Road_signs_in_Ecuador
Characters in the 1977–1983 movie trilogy
that Daniels was better for the part. Richard Dreyfuss was also considered. R2-D2, or Artoo Detoo, is an astromech droid and C-3PO's companion, who is carrying
List of Star Wars original trilogy characters
List_of_Star_Wars_original_trilogy_characters
Eleventh major version of Windows Server, released in 2024
in future releases. Upgrades are also available from Windows Server 2012 R2 to Windows Server 2022. Windows Server 2025 was revealed to be the name of
Windows_Server_2025
English actor and mime artist (born 1946)
character, however Ralph McQuarrie's first concept painting of C-3PO and R2-D2 on Tatooine evoked empathy from him. For nearly 50 years, Daniels has held
Anthony_Daniels
Victoria) (R2-2) One Way (left) (R2-2) One Way (right) (R2-3) Keep Left (R2-3) Keep Right (R2-4) No Entry (standard version; except New South Wales) (R2-4) No
Road_signs_in_Australia
Periodic comet
the reactivation of a previously observed fragment. G. W. Kronk. "D/1896 R2 (Giacobini)". Cometography.com. Retrieved 24 August 2024. "Comet Names and
205P/Giacobini
Intel CPU socket
support Windows 7, Windows Server 2008 R2, Windows 8, Windows Server 2012, Windows 8.1 and Windows Server 2012 R2 and the earliest two Intel sockets to
LGA_2066
Computer operating system
released in April 2003. It was followed in March 2006, by Windows Server 2003 R2. After a lengthy development process, Windows Vista was released only for
Microsoft_Windows
Tower in Paris, France
Frequency UHF kW Multiplex Service 498 MHz 24 13 R9 France 2 UHD 506 MHz 25 51 R2 Gulli BFM TV CNews CStar T18 Novo 19 530 MHz 28 5 R15 Canal 31 20 Minutes
Eiffel_Tower
Family of polymers
polysiloxane is a polymer composed of repeating units of siloxane (−O−SiR2−O−SiR2−, where "R" stands for an organic group). They are typically colorless
Silicone
Dutch and Belgian racing driver (born 1997)
KF1 SUZ QH1 31 SUZ R1 13 SUZ R2 4 SUZ QH2 2 SUZ R3 3 SUZ R4 Ret MAC Q1 1 MAC R1 2 MAC R2 Ret MAC Q2 2 MAC R1 17 MAC R2 Ret 8th 52 2013 CRG KF PFI QH
Max_Verstappen
External facility on the ISS dedicated to astrobiology experiments
experiments completed between 2008 and 2015: EXPOSE-E, EXPOSE-R and EXPOSE-R2. The EXPOSE-E was launched on 7 February 2008 on board the Space Shuttle Atlantis
EXPOSE
Twingo III R1 Renault Twingo R2 Renault Twingo RS R2 Renault Twingo RS Evo R2 Seat Leon Cupra R Škoda Fabia RS Škoda Fabia R2 Škoda Fabia R5 Škoda Fabia
List_of_rally_cars
Family of programming languages
Professor Akinori Yonezawa of Tokyo Institute of Technology in 1988. ABCL/R2 is a second generation version of ABCL/R, designed for the Hybrid Group Architecture
Actor-Based Concurrent Language
Actor-Based_Concurrent_Language
VPN intranet technology
connects to the Internet. DirectAccess was introduced in Windows Server 2008 R2, providing this service to Windows 7 and Windows 8 "Enterprise" edition clients
DirectAccess
Japanese imaging and electronics company
Ricoh Caplio R1v (5-megapixel, also available as Rollei DR5) Ricoh Caplio R2 (5-megapixel, larger screen, no viewfinder) Ricoh Caplio R3 (5-megapixel,
Ricoh
Server 2008 R2 SP1 and Windows 7 SP1 have limited support for redirecting the USB protocol over RDP using RemoteFX. ^ Windows Server 2008 R2 SP1 adds accelerated
Comparison of platform virtualization software
Comparison_of_platform_virtualization_software
Private university in Orange, California, US
States. Encompassing eleven colleges, the university is classified among "R2: Doctoral Universities – High research activity". The school maintains its
Chapman_University
FIA rally car formula
cars was taken from R2 class of Group R and tweaked with the defining ruleset interchanging the terms, this meant that any existing R2 car homologated or
Group_Rally4
Scottish actor (born 1959)
for R2-D2 in Star Wars: The Force Awakens, although filming clashed with Pan at the time and Vee was not used. In November 2015, he was cast as R2-D2 in
Jimmy_Vee
Two tower defense video games by Square Enix
Archer jobs. The Wii version of Crystal Defenders is divided into R1 and R2 chapters and offers a new ranking system via Nintendo Wi-Fi Connection. The
Crystal_Defenders
German tennis player (born 1997)
Retrieved 14 April 2026. "Zverev, Ruud ease through, Fritz & Berrettini set R2 clash in New York". ATPTour. Archived from the original on 14 September 2024
Alexander_Zverev
Rail service
share tracks with Rodalies de Catalunya's Barcelona suburban lines R2, R2 Nord and R2 Sud and regional rail lines R13, R14, R15 and R16, calling at Sants
R11_(Rodalies_de_Catalunya)
South African state-owned asset management firm
Investment Corporation (PIC) is a South African state-owned entity (SOC) with R2.693 trillion (US$142 Billion) of assets under management as of 31 March 2024
Public_Investment_Corporation
Lego theme based on Star Wars
10 Years with 'The Quest for R2-D2'".[permanent dead link] "Media Freaks - The Animation Business Blog: The Quest for R2-D2 - Lego Star Wars Celebrates
Lego_Star_Wars
Unix subsystem for Windows NT operating systems
versions 5.2 and 6.0 were respective components of Microsoft Windows Server 2003 R2, Windows Vista Enterprise, Windows Vista Ultimate, and Windows Server 2008
Interix
Express bus service in Metro Vancouver, Canada
The R2 Marine Dr is an express bus service with bus rapid transit elements in Metro Vancouver, British Columbia, Canada. Part of TransLink's RapidBus network
R2_Marine_Dr
Web browser developed by Google
later, Server 2016 or later 150 2015– 7, Server 2008 R2, 8, Server 2012, 8.1 and Server 2012 R2 109 2009–2023 XP, Server 2003, Vista and Server 2008 49
Google_Chrome
nacelle. Heated air was drawn from the engines to warm the passenger cabins. R2 - early version with two Rolls-Royce Condor III inline engines (three built)
Dornier_Do_R_Superwal
Railway service in Switzerland
The R2 is a railway service of RER Vaud that provides hourly service between Grandson and Cully in the Swiss canton of Vaud. Swiss Federal Railways, the
R2_(RER_Vaud)
(plaque) R2-5bP Neighborhood (plaque) R2-5cP Residential (plaque) R2-6P Fines higher (plaque) R2-6aP Fines double (plaque) R2-6bP Speeding fine (plaque) R2-10
Road signs in the United States
Road_signs_in_the_United_States
Relational database management system
Server 2017, SQL Server 2016, SQL Server 2014, SQL Server 2012, and 2008 R2 Express (4 GB for SQL Server 2008 Express and earlier; compared to 2 GB in
SQL_Server_Express
R2
R2
R2
R2
Boy/Male
Tamil
Pride, Peaceful
Boy/Male
American, British, English
From the Bird Hill
Girl/Female
Muslim/Islamic
Victory of Allah
Male
Celtic
, the magistrate.
Boy/Male
Biblical Hebrew
A flock.
Boy/Male
Arabic, Muslim
Sword of the Faith
Female
Egyptian
, Karo-mama-mimut.
Boy/Male
Indian, Punjabi, Sikh
Glory of the Lord Master
Girl/Female
Australian, Hebrew
Palm Tree
Surname or Lastname
English
English : habitational name from any of the numerous places named with Old English bere or bær ‘barley’ + tūn ‘enclosure’, ‘settlement’, i.e. an outlying grange. Compare Barwick.German and central European (e.g. Czech and Slovak Bartoň) : from a pet form of the personal name Bartolomaeus (see Bartholomew).
R2
R2
R2
R2
R2
n.
A quantity which may increase or decrease; a quantity which admits of an infinite number of values in the same expression; a variable quantity; as, in the equation x2 - y2 = R2, x and y are variables.
n.
A spiral whose polar equation is r2/ = a; that is, a curve the square of whose radius vector varies inversely as the angle which the radius vector makes with a given line.