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History. Delta traces its roots to the Delta Specialty Company founded by Herbert Tautz in 1919 in Milwaukee, Wisconsin. Based at first in Tautz' garage, Delta Specialty Company thrived, first making small tools for home shops and later expanding into light industrial machinery. In 1945, Rockwell Manufacturing Company acquired Delta Machinery ...
Delta method. In statistics, the delta method is a method of deriving the asymptotic distribution of a random variable. It is applicable when the random variable being considered can be defined as a differentiable function of a random variable which is asymptotically Gaussian .
Log-t or Log-Student t. In probability theory, a log-t distribution or log-Student t distribution is a probability distribution of a random variable whose logarithm is distributed in accordance with a Student's t-distribution. If X is a random variable with a Student's t-distribution, then Y = exp ( X) has a log-t distribution; likewise, if Y ...
Delta Force bodyguards in civilian clothing providing close protection to General Norman Schwarzkopf during the Gulf War, 1991. Delta Force was created in 1977 after numerous well-publicized terrorist incidents led the U.S. government to develop a full-time counter-terrorism unit. Key military and government figures had already been briefed on ...
Schematic depicting an intranet. An intranet is a computer network for sharing information, easier communication, collaboration tools, operational systems, and other computing services within an organization, usually to the exclusion of access by outsiders. [1] The term is used in contrast to public networks, such as the Internet, but uses the ...
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Delta Reticuli (Delta Ret, δ Reticuli, δ Ret) is a star in the southern constellation of Reticulum. It is visible to the naked eye , having an apparent visual magnitude of 4.60. [2] The distance to this star, as estimated from its annual parallax shift of 6.20 mas , [1] is roughly 530 light-years from the Sun .
Delta IV was a group of five expendable launch systems in the Delta rocket family introduced in the early 2000s. Originally designed by Boeing 's Defense, Space and Security division for the Evolved Expendable Launch Vehicle (EELV) program, the Delta IV became a United Launch Alliance (ULA) product in 2006. The Delta IV was primarily a launch ...