Template:Sister project QR may refer to:
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Arts and entertainmentEdit
- Nippon Cultural Broadcasting (from call sign JOQR), a Tokyo radio station
- Queen's Radio, a student radio station at Queen's University Belfast
- Quiet Riot, an American rock band
BusinessesEdit
- Qatar Airways (IATA code)
- Queensland Rail, a company responsible for the railway system in Queensland, Australia
- Quintana Roo (company), a triathlon-specific wetsuit and bicycle company
PlacesEdit
- Quintana Roo, a state of Mexico
- Karakalpakstan (Qoraqalpog'iston Respublikasi), Uzbekistan (ISO 3166-2 subcode UZ-QR)
Science and technologyEdit
- QR code (Quick Response code), a two-dimensional code
- ATCvet code QR Respiratory system, a section of the Anatomical Therapeutic Chemical Classification System for veterinary medicinal products
- DICOM Q/R, DICOM Query / Retrieve
- Nissan QR engine
- Quarter (unit)
- qr., Template:Slink, Template:Frac of a yard, equal to 9 inches
- qr. av., Template:Slink, Template:Frac of a hundredweight, equal to 2 stone or 28 pounds avoirdupois
MathematicsEdit
- QR decomposition, a decomposition of a matrix
- QR algorithm, an eigenvalue algorithm to perform QR decomposition
- Quadratic reciprocity, a theorem from modular arithmetic
- Quasireversibility, a property of some queues
- Reaction quotient (Qr), a function of the activities or concentrations of the chemical species involved in a chemical reaction
Other usesEdit
- Quarterly Review, a defunct literary and political periodical
- Qatari riyal, the currency of Qatar