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Latin delta (ẟ, lower-case only) is a Latin letter similar in appearance to the Greek lowercase letter delta (δ), but derived from the handwritten Latin lowercase d. It is also known as "script d" or "insular d" and is used in medieval Welsh transcriptions for the [ ð ] sound (English th in this ) represented by " dd " in Modern Welsh .
ln (r) is the standard natural logarithm of the real number r. Arg (z) is the principal value of the arg function; its value is restricted to (−π, π]. It can be computed using Arg (x + iy) = atan2 (y, x). Log (z) is the principal value of the complex logarithm function and has imaginary part in the range (−π, π].
Delta (company) DELTA is a cable operator in the Netherlands, providing digital cable television, Internet, and telephone service to both residential and commercial customers in mainly the province of Zeeland. In addition, Delta supplies fiber-to-the-home in large parts of the Netherlands. [1]
Delta Force's founder Charles Beckwith in 1980. Delta Force bodyguards lead by Mike Vining 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.
Delta Tau Delta (ΔΤΔ) is a United States-based international Greek letter college fraternity. Delta Tau Delta was founded at Bethany College , Bethany, Virginia , (now West Virginia ) in 1858. The fraternity currently has around 130 collegiate chapters and colonies nationwide, with an estimated 10,000 undergraduate members and over 170,000 ...
A delta prism is an optical element providing a compact folded form of the Dove prism. [1] When used in the normal orientation, the prism inverts the image (that is, rotates it 180 degrees); rotating the orientation results in image rotation to other arbitrary angles. The base surface must be fabricated with a mirror coating to make it reflective.
Delta Electronics, Inc. (also known as DELTA or Delta Electronics) is a Taiwanese electronics manufacturing company. Its headquarters are in Neihu, Taipei. It is known for its DC industrial and computer fans and for switching power supplies. The company operates approximately 200 facilities worldwide, including manufacturing, sales, and R&D ...
The Ganges Delta (also known the Ganges-Brahmaputra Delta, the Sundarbans Delta or the Bengal Delta [1]) is a river delta in Eastern South Asia predominantly covering the Bengal region of the subcontinent, consisting of Bangladesh and the Indian state of West Bengal. It is the world's largest river delta [2] [3] and it empties into the Bay of ...