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  2. Spreadsheet - Wikipedia

    en.wikipedia.org/wiki/Spreadsheet

    A cell on a different sheet of the same spreadsheet is usually addressed as: =SHEET2!A1 (that is; the first cell in sheet 2 of the same spreadsheet). Some spreadsheet implementations in Excel allow cell references to another spreadsheet (not the currently open and active file) on the same computer or a local network.

  3. Pairing function - Wikipedia

    en.wikipedia.org/wiki/Pairing_function

    The function (,):= (+) is a pairing function. In 1990, Regan proposed the first known pairing function that is computable in linear time and with constant space (as the previously known examples can only be computed in linear time if multiplication can be too, which is doubtful). In fact, both this pairing function and its inverse can be ...

  4. Pattern matching - Wikipedia

    en.wikipedia.org/wiki/Pattern_matching

    Here, the first n is a single variable pattern, which will match absolutely any argument and bind it to name n to be used in the rest of the definition. In Haskell (unlike at least Hope ), patterns are tried in order so the first definition still applies in the very specific case of the input being 0, while for any other argument the function ...

  5. Benjamin Franklin - Wikipedia

    en.wikipedia.org/wiki/Benjamin_Franklin

    His life and legacy of scientific and political achievement, and his status as one of America's most influential Founding Fathers, have seen Franklin honored for more than two centuries after his death on the $100 bill and in the names of warships, many towns and counties, educational institutions and corporations, as well as in numerous ...

  6. Touchscreen - Wikipedia

    en.wikipedia.org/wiki/Touchscreen

    Another way is to etch tracks on separate sheets of glass, and join these sheets, with tracks at right angles to each other, face to face using a thin non-conductive, adhesive interlayer. [ 84 ] A simple alternative is to embed an x/y or diagonal grid of very fine, insulation coated conductive wires in a thin polyester film.

  7. OLED - Wikipedia

    en.wikipedia.org/wiki/OLED

    An organic light-emitting diode (OLED), also known as organic electroluminescent (organic EL) diode, [1] [2] is a type of light-emitting diode (LED) in which the emissive electroluminescent layer is an organic compound film that emits light in response to an electric current.

  8. Google Search - Wikipedia

    en.wikipedia.org/wiki/Google_Search

    Google Search is the most-visited website in the world.As of 2020, Google Search has a 92% share of the global search engine market. [3] Approximately 26.75% of Google's monthly global traffic comes from the United States, 4.44% from India, 4.4% from Brazil, 3.92% from the United Kingdom and 3.84% from Japan according to data provided by Similarweb.

  9. Social media - Wikipedia

    en.wikipedia.org/wiki/Social_media

    The PLATO system was launched in 1960 at the University of Illinois and subsequently commercially marketed by Control Data Corporation.It offered early forms of social media features with innovations such as Notes, PLATO's message-forum application; TERM-talk, its instant-messaging feature; Talkomatic, perhaps the first online chat room; News Report, a crowdsourced online newspaper, and blog ...