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  2. Quadratic equation - Wikipedia

    en.wikipedia.org/wiki/Quadratic_equation

    Figure 1. Plots of quadratic function y = ax 2 + bx + c, varying each coefficient separately while the other coefficients are fixed (at values a = 1, b = 0, c = 0). A quadratic equation whose coefficients are real numbers can have either zero, one, or two distinct real-valued solutions, also called roots.

  3. Samuel Soal - Wikipedia

    en.wikipedia.org/wiki/Samuel_Soal

    Soal moved to a more statistical and controlled approach, firstly by conducting an experiment in which up to a few hundred persons participated at one time. [5] This involved Soal and a small group of agents enacting a scenario, playing with a certain object, reciting a poem, and so on, which the participants, situated across Great Britain and other countries, were required, at the same time ...

  4. Golden-section search - Wikipedia

    en.wikipedia.org/wiki/Golden-section_search

    The golden-section search is a technique for finding an extremum (minimum or maximum) of a function inside a specified interval. For a strictly unimodal function with an extremum inside the interval, it will find that extremum, while for an interval containing multiple extrema (possibly including the interval boundaries), it will converge to one of them.

  5. Quadratic voting - Wikipedia

    en.wikipedia.org/wiki/Quadratic_voting

    Quadratic voting is a voting system that encourages voters to express their true relative intensity of preference between multiple options or elections. [1] By doing so, quadratic voting seeks to mitigate tyranny of the majority by enabling participants to trade influence over issues they don't care about for influence over issues they do.

  6. Planck constant - Wikipedia

    en.wikipedia.org/wiki/Planck_constant

    The Planck constant, or Planck's constant, denoted by , [1] is a fundamental physical constant [1] of foundational importance in quantum mechanics: a photon's energy is equal to its frequency multiplied by the Planck constant, and the wavelength of a matter wave equals the Planck constant divided by the associated particle momentum.

  7. Spencer Tracy - Wikipedia

    en.wikipedia.org/wiki/Spencer_Tracy

    Spencer Bonaventure Tracy (April 5, 1900 – June 10, 1967) was an American actor. He was known for his natural performing style and versatility. One of the major stars of Hollywood's Golden Age, Tracy was the first actor to win two consecutive Academy Awards for Best Actor, from nine nominations.

  8. Better Call Saul - Wikipedia

    en.wikipedia.org/wiki/Better_Call_Saul

    Better Call Saul is a spin-off of Breaking Bad, a popular crime drama television series that ran from 2008 to 2013. [9] [10] It is primarily a prequel that focuses on Jimmy McGill, a former con artist aiming to gain respectability as a public defender, and chronicles his gradual transformation into his eventual Breaking Bad persona of Saul Goodman, the flamboyant criminal lawyer with ties to ...

  9. Solar System - Wikipedia

    en.wikipedia.org/wiki/Solar_System

    The Solar System [d] is the gravitationally bound system of the Sun and the objects that orbit it. [11] It formed about 4.6 billion years ago when a dense region of a molecular cloud collapsed, forming the Sun and a protoplanetary disc.