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  2. Honor 5X - Wikipedia

    en.wikipedia.org/wiki/Honor_5X

    The Honor 5X was originally marketed with Emotion User Interface v3.1, a customisation of Android Lollipop; Android Marshmallow and EMUI 4 updates followed. [4] The device is officially supported by LineageOS v14.1 up to v16.0 (Android Pie)(Beta version is v17.0 with android 10), a free and open-source operating system based on Android (operating system). [5]

  3. System of linear equations - Wikipedia

    en.wikipedia.org/wiki/System_of_linear_equations

    The solution set for the equations x − y = −1 and 3x + y = 9 is the single point (2, 3). A solution of a linear system is an assignment of values to the variables ,, …, such that each of the equations is satisfied. The set of all possible solutions is called the solution set. [5]

  4. 30 by 30 - Wikipedia

    en.wikipedia.org/wiki/30_by_30

    30 by 30 is the third of 23 global biodiversity targets for 2030 in the Kunming-Montreal Global Biodiversity Framework, adopted in December 2022: . Ensure and enable that by 2030 at least 30 per cent of terrestrial, inland water, and of coastal and marine areas, especially areas of particular importance for biodiversity and ecosystem functions and services, are effectively conserved and ...

  5. Rhombic triacontahedron - Wikipedia

    en.wikipedia.org/wiki/Rhombic_triacontahedron

    Let φ be the golden ratio.The 12 points given by (0, ±1, ±φ) and cyclic permutations of these coordinates are the vertices of a regular icosahedron.Its dual regular dodecahedron, whose edges intersect those of the icosahedron at right angles, has as vertices the 8 points (±1, ±1, ±1) together with the 12 points (0, ±φ, ± ⁠ 1 / φ ⁠) and cyclic permutations of these coordinates.

  6. Superpermutation - Wikipedia

    en.wikipedia.org/wiki/Superpermutation

    However, on 1 February 2019, Bogdan Coanda announced that he had found a superpermutation for n=7 of length 5907, or (n! + (n−1)! + (n−2)! + (n−3)! + n − 3) − 1, which was a new record. [2] On 27 February 2019, using ideas developed by Robin Houston, Egan produced a superpermutation for n = 7 of length 5906. [ 2 ]

  7. Pascal's pyramid - Wikipedia

    en.wikipedia.org/wiki/Pascal's_pyramid

    Pascal's pyramid's first five layers. Each face (orange grid) is Pascal's triangle. Arrows show derivation of two example terms. In mathematics, Pascal's pyramid is a three-dimensional arrangement of the trinomial numbers, which are the coefficients of the trinomial expansion and the trinomial distribution. [1]

  8. Quintic threefold - Wikipedia

    en.wikipedia.org/wiki/Quintic_threefold

    One of the easiest examples to check of a Calabi-Yau manifold is given by the Fermat quintic threefold, which is defined by the vanishing locus of the polynomial = + + + + Computing the partial derivatives of gives the four polynomials = = = = = Since the only points where they vanish is given by the coordinate axes in , the vanishing locus is empty since [::::] is not a point in .

  9. Mathematical Operators (Unicode block) - Wikipedia

    en.wikipedia.org/wiki/Mathematical_Operators...

    Mathematical Operators is a Unicode block containing characters for mathematical, logical, and set notation.. Notably absent are the plus sign (+), greater than sign (>) and less than sign (<), due to them already appearing in the Basic Latin Unicode block, and the plus-or-minus sign (±), multiplication sign (×) and obelus (÷), due to them already appearing in the Latin-1 Supplement block ...