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  2. Blackboard bold - Wikipedia

    en.wikipedia.org/wiki/Blackboard_bold

    Blackboard bold. Blackboard bold is a style of writing bold symbols on a blackboard by doubling certain strokes, commonly used in mathematical lectures, and the derived style of typeface used in printed mathematical texts. The style is most commonly used to represent the number sets ( natural numbers ), ( integers ), ( rational numbers ...

  3. Blackboard - Wikipedia

    en.wikipedia.org/wiki/Blackboard

    Uses. Reusable writing surface on which text or drawings are made. A blackboard or a chalkboard is a reusable writing surface on which text or drawings are made with sticks of calcium sulphate or calcium carbonate, known, when used for this purpose, as chalk. Blackboards were originally made of smooth, thin sheets of black or dark grey slate stone.

  4. Khan Academy - Wikipedia

    en.wikipedia.org/wiki/Khan_Academy

    Khanmigo. Khanmigo is a chatbot powered by GPT-4 technology, designed to assist users with mathematics, science, humanities, and coding inquiries, as well as aiding in learning these subjects. It incorporates the large language model of OpenAI. Khan Academy introduced Khanmigo on March 14, 2023.

  5. Einstein's Blackboard - Wikipedia

    en.wikipedia.org/wiki/Einstein's_blackboard

    Einstein's Blackboard at the Museum of the History of Science in Oxford. Einstein's Blackboard is a blackboard [1] which physicist Albert Einstein (1879–1955) used on 16 May 1931 during his lectures while visiting the University of Oxford in England. [2] [3] The blackboard is in the collection of the Museum of the History of Science in Oxford.

  6. Do Not Erase: Mathematicians and Their Chalkboards

    en.wikipedia.org/wiki/Do_Not_Erase:...

    Many of their comments relate to their tactile pleasure in using chalk, to the semi-permanence of partially-legible erasures from chalkboards, and to the pacing the use of chalk imparts to mathematical talks. Other comments give the story behind the specific notation depicted in the photograph.

  7. Wikipedia:Manual of Style/Mathematics - Wikipedia

    en.wikipedia.org/.../Mathematics

    The use of Unicode characters for blackboard bold is discouraged in English Wikipedia; instead, either the LaTeX rendering (for example <math>\mathbb{Z}</math> or <math>\Z</math>) or standard bold fonts should be used. As with all such choices, each article should be consistent with itself, and editors should not change articles from one choice ...

  8. Greek letters used in mathematics, science, and engineering

    en.wikipedia.org/wiki/Greek_letters_used_in...

    t. e. Greek letters are used in mathematics, science, engineering, and other areas where mathematical notation is used as symbols for constants, special functions, and also conventionally for variables representing certain quantities. In these contexts, the capital letters and the small letters represent distinct and unrelated entities.

  9. Blackboard Learn - Wikipedia

    en.wikipedia.org/wiki/Blackboard_Learn

    Blackboard Learn (previously the Blackboard Learning Management System) is a web-based virtual learning environment and learning management system developed by Blackboard Inc. The software features course management, customizable open architecture , and scalable design that allows integration with student information systems and authentication ...