QR
(Redirected from Q.R.)
Look up qr in Wiktionary, the free dictionary.
QR may refer to:
Arts and entertainment
[edit]- 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
Businesses
[edit]- 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
Places
[edit]- Quintana Roo, a state of Mexico
- Karakalpakstan (Qoraqalpog'iston Respublikasi), Uzbekistan (ISO 3166-2 subcode UZ-QR)
Science and technology
[edit]- 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., Quarter (unit) § Length, 1⁄4 of a yard, equal to 9 inches
- qr. av., Quarter (unit) § Weight, 1⁄4 of a hundredweight, equal to 2 stone or 28 pounds avoirdupois
Mathematics
[edit]- 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 uses
[edit]- Quarterly Review, a defunct literary and political periodical
- Qatari riyal, the currency of Qatar
See also
[edit]
This disambiguation page lists articles associated with the title QR.
If an internal link led you here, you may wish to change the link to point directly to the intended article.
If an internal link led you here, you may wish to change the link to point directly to the intended article.