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  2. Sumerian King List - Wikipedia

    en.wikipedia.org/wiki/Sumerian_King_List

    Sumerian King List at the Electronic Text Corpus of Sumerian Literature. The Sumerian King List (abbreviated SKL) or Chronicle of the One Monarchy is an ancient literary composition written in Sumerian that was likely created and redacted to legitimize the claims to power of various city-states and kingdoms in southern Mesopotamia during the ...

  3. Platonic solid - Wikipedia

    en.wikipedia.org/wiki/Platonic_solid

    Platonic solid. In geometry, a Platonic solid is a convex, regular polyhedron in three-dimensional Euclidean space. Being a regular polyhedron means that the faces are congruent (identical in shape and size) regular polygons (all angles congruent and all edges congruent), and the same number of faces meet at each vertex.

  4. List of trigonometric identities - Wikipedia

    en.wikipedia.org/wiki/List_of_trigonometric...

    A formula for computing the trigonometric identities for the one-third angle exists, but it requires finding the zeroes of the cubic equation 4x3 − 3x + d = 0, where is the value of the cosine function at the one-third angle and d is the known value of the cosine function at the full angle.

  5. Gaussian quadrature - Wikipedia

    en.wikipedia.org/wiki/Gaussian_quadrature

    Gaussian quadrature. [−1, 1] (–1) + (1) = –10 ⁄ composite. () = 73 – 82 – 3 + 3. In numerical analysis, an n -point Gaussian quadrature rule, named after Carl Friedrich Gauss, [1] is a quadrature rule constructed to yield an exact result for polynomials of degree 2n − 1 or less by a suitable choice of the nodes xi and weights wi ...

  6. Glossary of mathematical symbols - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mathematical...

    Glossary of mathematical symbols. A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula. As formulas are entirely constituted with symbols of various ...

  7. List of countries by GDP (PPP) - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_GDP_(PPP)

    GDP (PPP) means gross domestic product based on purchasing power parity. This article includes a list of countries by their forecast estimated GDP (PPP). [ 2 ] Countries are sorted by GDP (PPP) forecast estimates from financial and statistical institutions that calculate using market or government official exchange rates. The data given on this page are based on the international dollar, a ...

  8. Voynich manuscript - Wikipedia

    en.wikipedia.org/wiki/Voynich_manuscript

    The Voynich manuscript is an illustrated codex, hand-written in an unknown script referred to as Voynichese. [18] The vellum on which it is written has been carbon-dated to the early 15th century (1404–1438). Stylistic analysis has indicated the manuscript may have been composed in Italy during the Italian Renaissance. [1][2] While the origins, authorship, and purpose of the manuscript are ...

  9. Glossary of chemical formulae - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_chemical_formulae

    This is a list of common chemical compounds with chemical formulae and CAS numbers, indexed by formula. This complements alternative listing at list of inorganic compounds. There is no complete list of chemical compounds since by nature the list would be infinite.