Delta

From Wikipedia, the free encyclopedia

Delta may refer to:

Contents 1 Abbreviations 2 People 3 Places

• Delta (letter), the letter Δ or δ in the Greek alphabet, also used as a mathematical symbol.

In astronomy:

• In Bayer designation, one of the stars in a constellation (e.g., Delta Cygni)

In aeronautics:

• A delta wing
• The delta formation

In geography:

• River delta, a triangular area of alluvial deposit at the mouth of a river
• Tropical Storm Delta (2005)

In mathematics and computer science:

• Δ often denotes a difference; δ can represent a small change or amount.
• In logic Δ can represent a symmetric difference
• An inverted delta (), known as del or nabla, is used as a vector differential operator.
• the Kronecker delta, a function of two variables which is 1 when they are equal
• the Dirac delta function, a distribution used as an approximation for a spike function
• Delta encoding, a technique in computer communications and version-control

In mathematical finance

• one of the Greeks used in option and derivatives pricing representing the rate of change of the option price with respect to changes in the underlying price

Companies and products:

• Delta Air Lines, a major U.S. airline
• Delta Hotels, a major Canadian Hotel chain with 40 properties
• Delta Faucet Company, a plumbing fixtures company
• Delta Holding, an import-export, banking, insurance and retail corporation in Serbia
• Delta Machinery, a stationary power tools and equipment company
• Delta (computer), a Russian ZX Spectrum clone
• Delta robot, a specialized type of robot
• Delta rocket, a family of rockets built by Boeing IDS
• GM Delta platform, a compact car automobile platform from General Motors
• Lancia Delta, a famous rally car made by Italian company Lancia
• Visa Debit (formerly Visa Delta), a debit card
• Delta Environmental Consultants, and environmental remediation company based in St. Paul, MN

In entertainment and fiction:

• Delta (computer game), a 1987 horizontally-scrolling shooter computer game
• Delta Dance, a Eurobeat music label
• EX Delta Species, a Pokémon Trading Card Game expansion
• Delta Quadrant, a quadrant of the Milky Way Galaxy depicted in Star Trek
• Delta FM, a UK radio station
• Delta (fictional character), one of Jason Bourne's numerous codenames in Robert Ludlum's "The Bourne Identity."
• E-103 Delta, a robot in the Sonic the Hedgehog series
• Delta Halo, Halo Installation #5 in the Halo Universe

Special forces:

• Delta Force, a U.S. Army special force
• Beredskapstroppen, a Norwegian special police forces team

Other:

• Delta Works, a flood-protection works in the Netherlands
• the layout of a tricycle with two rear wheels and one front wheel

[edit] Abbreviations

• DELTA (ELT), an advanced diploma in English language teaching
• DELTA (taxonomy), the DEscription Language for TAxonomy

[edit] People

• Delta Goodrem, Australian singer and actress
• Delta Burke, American actress

[edit] Places

In Canada:

• Delta, British Columbia
  • Delta (provincial electoral district)
  • Delta (electoral district) a federal electoral district, 2003-present

In Egypt:

• the Nile Delta

In Nigeria:

• Delta State, Nigeria

In the United States:

• Delta, Colorado
• Delta, Iowa
• Delta, Kentucky
• Delta, Louisiana
• Delta, Missouri
• Delta, Ohio
• Delta, Pennsylvania
• Delta, Utah
• Delta, Wisconsin
• Delta Charter Township, Michigan
• Mississippi Delta, an alluvial plain in the state of Mississippi