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  2. International Baccalaureate - Wikipedia

    en.wikipedia.org/wiki/International_Baccalaureate

    t. e. The International Baccalaureate Organization (IBO), [1][2] more commonly known as the International Baccalaureate (IB), is a nonprofit foundation headquartered in Geneva, Switzerland, and founded in 1968. [3][4] It offers four educational programmes: the IB Diploma Programme and the IB Career-related Programme for students aged 16 to 19 ...

  3. Algebra - Wikipedia

    en.wikipedia.org/wiki/Algebra

    Algebra is the branch of mathematics that studies certain abstract systems, known as algebraic structures, and the manipulation of statements within those systems.It is a generalization of arithmetic that introduces variables and algebraic operations other than the standard arithmetic operations such as addition and multiplication.

  4. macOS - Wikipedia

    en.wikipedia.org/wiki/MacOS

    macOS. macOS, originally Mac OS X, previously shortened as OS X, is an operating system developed and marketed by Apple since 2001. It is the primary operating system for Apple's Mac computers. Within the market of desktop and laptop computers, it is the second most widely used desktop OS, after Microsoft Windows and ahead of all Linux ...

  5. Educational technology - Wikipedia

    en.wikipedia.org/wiki/Educational_technology

    Currently, one out of three college students takes at least one online course while in college. At DeVry University, out of all students that are earning a bachelor's degree, 80% earn two-thirds of their requirements online. Also, in 2014, 2.85 million students out of 5.8 million students that took courses online, took all of their courses online.

  6. Sun - Wikipedia

    en.wikipedia.org/wiki/Sun

    The Sun is the star at the center of the Solar System.It is a massive, nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light and infrared radiation with 10% at ultraviolet energies.

  7. Doctor of Philosophy - Wikipedia

    en.wikipedia.org/wiki/Doctor_of_Philosophy

    A PhD degree is a prerequisite for heading a university department in Ukraine. Upon completion of a PhD, a PhD holder can elect to continue their studies and get a post-doctoral degree called "Doctor of Sciences" (DSc. Ukrainian: Доктор наук), which is the second and the highest science degree in Ukraine.

  8. pH - Wikipedia

    en.wikipedia.org/wiki/PH

    This was the original definition of Sørensen in 1909, [18] which was superseded in favor of pH in 1924. [H] is the concentration of hydrogen ions, denoted [ H + ] in modern chemistry. More correctly, the thermodynamic activity of H + in dilute solution should be replaced by [ H + ]/c 0 , where the standard state concentration c 0 = 1 mol/L.

  9. Psychology - Wikipedia

    en.wikipedia.org/wiki/Psychology

    The PhD degree is intended to train practitioners who could also conduct scientific research. The PsyD degree is more exclusively designed to train practitioners. [87] Some clinical psychologists focus on the clinical management of patients with brain injury. This subspecialty is known as clinical neuropsychology. In many countries, clinical ...