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  2. Blackboard Inc. - Wikipedia

    en.wikipedia.org/wiki/Blackboard_Inc.

    Providence Equity Partners Veritas Capital. Website. blackboard.com. Blackboard Inc., now Anthology is an American educational technology company with corporate headquarters in Boca Raton, Florida. Blackboard was known for Blackboard Learn, a learning management system. [4] Blackboard Inc. merged with Anthology in late 2021.

  3. Wikipedia, the free encyclopedia

    en.wikipedia.org/wiki/Main_Page

    The Symbolist painting is a stylised seascape, dominated by a bright sunburst breaking through clouds. Watts intended to evoke a monotheistic God in the act of creation, without depicting the Creator directly. The unfinished painting was exhibited at a church in Whitechapel in 1886, under the intentionally simplified title of The Sun.

  4. Murder on the Blackboard - Wikipedia

    en.wikipedia.org/wiki/Murder_on_the_Blackboard

    Language. English. Murder on the Blackboard is a 1934 American pre-Code mystery / comedy film starring Edna May Oliver as schoolteacher Hildegarde Withers and James Gleason as Police Inspector Oscar Piper. Together, they investigate a murder at Withers' school. It was based on the novel of the same name by Stuart Palmer.

  5. Plus and minus signs - Wikipedia

    en.wikipedia.org/wiki/Plus_and_minus_signs

    The plus sign ( +) and the minus sign ( −) are mathematical symbols used to denote positive and negative functions, respectively. In addition, + represents the operation of addition, which results in a sum, while − represents subtraction, resulting in a difference. [1] Their use has been extended to many other meanings, more or less analogous.

  6. Blackboard (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Blackboard_(disambiguation)

    A blackboard is a reusable writing surface. Look up blackboard in Wiktionary, the free dictionary. Blackboard may also refer to: Black board (Soviet policy), sign used in the Soviet era publicly to chastise farms or factories for such things as failing to meet targets or opposing collectivisation. Blackboard bold, a style of typeface often used ...

  7. Blackboard (design pattern) - Wikipedia

    en.wikipedia.org/wiki/Blackboard_(design_pattern)

    Blackboard (design pattern) In software engineering, the blackboard pattern is a behavioral design pattern [1] that provides a computational framework for the design and implementation of systems that integrate large and diverse specialized modules, and implement complex, non-deterministic control strategies. [2] [1]

  8. Blackboard bold - Wikipedia

    en.wikipedia.org/wiki/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 ), ( real numbers ), and ...

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