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  2. Nabla symbol - Wikipedia

    en.wikipedia.org/wiki/Nabla_symbol

    The nabla is a triangular symbol resembling an inverted Greek delta: [1] or ∇. The name comes, by reason of the symbol's shape, from the Hellenistic Greek word νάβλα for a Phoenician harp, [2] [3] and was suggested by the encyclopedist William Robertson Smith in an 1870 letter to Peter Guthrie Tait.

  3. Inverted pyramid (journalism) - Wikipedia

    en.wikipedia.org/wiki/Inverted_pyramid_(journalism)

    The inverted pyramid method visualised. The inverted pyramid is a metaphor used by journalists and other writers to illustrate how information should be prioritised and structured in prose (e.g., a news report).

  4. Triangle inequality - Wikipedia

    en.wikipedia.org/wiki/Triangle_inequality

    Three examples of the triangle inequality for triangles with sides of lengths x, y, z.The top example shows a case where z is much less than the sum x + y of the other two sides, and the bottom example shows a case where the side z is only slightly less than x + y.

  5. Backtesting - Wikipedia

    en.wikipedia.org/wiki/Backtesting

    Temporal representation of hindcasting. [4]In oceanography [5] and meteorology, [6] backtesting is also known as hindcasting: a hindcast is a way of testing a mathematical model; researchers enter known or closely estimated inputs for past events into the model to see how well the output matches the known results.

  6. Golden Triangle of Jakarta - Wikipedia

    en.wikipedia.org/wiki/Golden_Triangle_of_Jakarta

    The Golden Triangle of Jakarta (Indonesian: Segitiga Emas Jakarta), also referred to as the Medan Merdeka–Thamrin–Sudirman Axis (Indonesian: Poros Medan Merdeka–Thamrin–Sudirman) or the Sudirman–Thamrin–Kuningan Axis (Indonesian: Poros Sudirman–Thamrin–Kuningan), is a roughly triangular area in the center of Jakarta, Indonesia, extending from Central Jakarta to South Jakarta.

  7. Jangan Pandang Belakang - Wikipedia

    en.wikipedia.org/wiki/Jangan_Pandang_Belakang

    Jangan Pandang Belakang (English: Don't Look Behind) is a 2007 Malaysian Malay-language supernatural horror film directed by Ahmad Idham starring Pierre Andre, Intan Ladyana, Khatijah Tan and Ruminah Sidek.

  8. 28 Days Later - Wikipedia

    en.wikipedia.org/wiki/28_Days_Later

    28 Days Later is a 2002 British post-apocalyptic horror film directed by Danny Boyle and written by Alex Garland.It stars Cillian Murphy as a bicycle courier who awakens from a coma to discover the accidental release of a highly contagious, aggression-inducing virus has caused the breakdown of society.

  9. Queen (band) - Wikipedia

    en.wikipedia.org/wiki/Queen_(band)

    Queen are a British rock band formed in London in 1970 by Freddie Mercury (lead vocals, piano), Brian May (guitar, vocals), and Roger Taylor (drums, vocals), later joined by John Deacon (bass).