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  2. Open educational resources - Wikipedia

    en.wikipedia.org/wiki/Open_educational_resources

    In 2011, South Korea announced a plan to digitize all of its textbooks and to provide all students with computers and digitized textbooks by 2015. [161] The California Learning Resources Network Free Digital Textbook Initiative at high school level, [162] initiated by former Gov. Arnold Schwarzenegger.

  3. Math 55 - Wikipedia

    en.wikipedia.org/wiki/Math_55

    Math 55 is a two-semester freshman undergraduate mathematics course at Harvard University founded by Lynn Loomis and Shlomo Sternberg.The official titles of the course are Studies in Algebra and Group Theory (Math 55a) [1] and Studies in Real and Complex Analysis (Math 55b). [2]

  4. List of interactive geometry software - Wikipedia

    en.wikipedia.org/wiki/List_of_interactive...

    GeoGebra is software that combines geometry, algebra and calculus for mathematics education in schools and universities. It is available free of charge for non-commercial users. [6] License: open source under GPL license (free of charge) Languages: 55; Geometry: points, lines, all conic sections, vectors, parametric curves, locus lines

  5. Voronoi diagram - Wikipedia

    en.wikipedia.org/wiki/Voronoi_diagram

    Let be a metric space with distance function .Let be a set of indices and let () be a tuple (indexed collection) of nonempty subsets (the sites) in the space .The Voronoi cell, or Voronoi region, , associated with the site is the set of all points in whose distance to is not greater than their distance to the other sites , where is any index different from .

  6. Mathematics - Wikipedia

    en.wikipedia.org/wiki/Mathematics

    The oldest known mathematics textbook is the Rhind papyrus, dated from c. 1650 BCE in Egypt. [184] Due to a scarcity of books, mathematical teachings in ancient India were communicated using memorized oral tradition since the Vedic period (c. 1500 – c. 500 BCE). [185]

  7. Instructional design - Wikipedia

    en.wikipedia.org/wiki/Instructional_design

    Instructional design (ID), also known as instructional systems design and originally known as instructional systems development (ISD), is the practice of systematically designing, developing and delivering instructional materials and experiences, both digital and physical, in a consistent and reliable fashion toward an efficient, effective, appealing, engaging and inspiring acquisition of ...

  8. Pencil (geometry) - Wikipedia

    en.wikipedia.org/wiki/Pencil_(geometry)

    Some lines in the pencil through A. In geometry, a pencil is a family of geometric objects with a common property, for example the set of lines that pass through a given point in a plane, or the set of circles that pass through two given points in a plane.

  9. Educational technology - Wikipedia

    en.wikipedia.org/wiki/Educational_technology

    Educational technology (commonly abbreviated as edutech, or edtech) is the combined use of computer hardware, software, and educational theory and practice to facilitate learning.

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