R (disambiguation)

R denotes:

  • R and r, the 18 letters of the Latin alphabet
  • R. , short for right, see left and right
  • R, an obsolete term for the first outer conductor in electrical engineering
  • R, a programming language and software for statistical calculations and visualizations, see R (programming language)
  • In Roman inscriptions and texts, the abbreviation for Roma, Romanus, regia, regnum, restitutor etc.
  • R as an abbreviation for the Latin Regina ( Queen dt ) the addition to the signature of Queen Elizabeth II
  • R., regiment in military affairs
  • ®, the symbol of brand (formerly trademarks, especially in Germany ), see Brand ( right )
  • System R to German income tax return on pension income
  • R, called R-rated movies, an age rating in the U.S. for movies, see the Motion Picture Association of America # R (restricted)
  • R, Raabe abbreviation for the directory of the works of Franz Liszt, see Peter Raabe
  • R., the most successful album R. Kelly

Mathematics:

  • R, in the geometry of the symbol for radius
  • , The symbol for the set of real numbers
  • In the statistics of the correlation coefficient r and
  • Whose square (R ²), the statistical coefficient of determination
  • R ( programming language) for the study of statistical problems

Physics:

  • R, the symbol for the recovery factor
  • R, the sign of the reflection coefficient
  • , The sign of the residual resistance ratio
  • R, the universal gas constant
  • R, the symbols of X and r an older unit symbol for this
  • R, the symbol for electrical resistance
  • R, the symbol for the characteristic acoustic impedance ( acoustic impedance )
  • R, the sign for the Rydberg constant
  • ° R, the unit symbol for temperature unit, see Reaumur scale
  • ° R, the unit symbol for temperature unit, see Rankine scale

Chemistry:

  • -R is an organic radical, see page chain and Category: Functional group
  • R, a stereo descriptor to distinguish konfigurationsisomerer compounds
  • R, the one-letter code for arginine
  • R, symbol for the universal gas constant

R as distinguishing signs on license plate:

  • Germany: county-level city and the district of Regensburg Regensburg
  • Georgia: Telavi
  • UK: Reading
  • Kazakhstan: Area Mangghystau
  • Lithuania: Dealer (red letters on white background)
  • Philippines: Region 3: Central Luzon
  • Poland: Subcarpathian Voivodeship
  • San Marino: pendant as a small red R for Italian Rimorchio ( German "trailer" )
  • Spain: Trailer

Aviation:

  • Radial ( course information from a VOR station to an aircraft corresponds to the QDR ), see VOR
  • Right ( Runway identification) - Right ( Start-/Landebahn-Bezeichnung )
  • Red - Red
  • Restricted area ( Followed by identification) - Restricted Area (followed by more detailed descriptions )
  • In the international phonetic alphabet ( ICAO alphabet) R is denoted by Romeo
  • Reconnaissance, aircraft used for surveillance, reconnaissance aircraft see or designation system for aircraft of the U.S. Armed Forces

Numismatics ( numismatics ):

  • South African Rand
  • Rennes on French coins ( to 1540 )
  • Saint André de Villeneuve on French coins (1540 - 1700)
  • Orléans on French coins ( 1700-1794 )
  • Rome Papal, Napoleonic ( winning R) and Italian coins
  • Rio de Janeiro in Portuguese -Brazilian coins

Culture:

  • R (film), a Danish prison film ( 2010)

Other abbreviations:

  • In combination with a digit ( eg, R3) for Reichsstrasse ( German Reich), the counterpart to the federal road in the German Reich
  • A black R on a white background the award of the Rhine High Route, a trail in the Rhine Valley
  • Regional

See also:

  • Disambiguation
  • Abbreviation
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