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  2. Abacus - Wikipedia

    en.wikipedia.org/wiki/Abacus

    Bi-quinary coded decimal-like abacus representing 1,352,964,708. An abacus (pl.: abaci or abacuses), also called a counting frame, is a hand-operated calculating tool which was used from ancient times in the ancient Near East, Europe, China, and Russia, until the adoption of the Hindu–Arabic numeral system. [1]

  3. Mathematics - Wikipedia

    en.wikipedia.org/wiki/Mathematics

    The word mathematics comes from the Ancient Greek word máthēma (μάθημα), meaning ' something learned, knowledge, mathematics ', and the derived expression mathēmatikḗ tékhnē (μαθηματικὴ τέχνη), meaning ' mathematical science '. It entered the English language during the Late Middle English period through French and ...

  4. List of Indian inventions and discoveries - Wikipedia

    en.wikipedia.org/wiki/List_of_Indian_inventions...

    This game was introduced to the Near East from India and became a part of the princely or courtly education of Persian nobility. [32] Buddhist pilgrims, Silk Road traders and others carried it to the Far East where it was transformed and assimilated into a game often played on the intersection of the lines of the board rather than within the ...

  5. List of common misconceptions - Wikipedia

    en.wikipedia.org/wiki/List_of_common_misconceptions

    The word "gringo" did not originate during the Mexican–American War (1846–1848) as a corruption of "Green, go home!", in reference to the green uniforms of American troops. [96] [97] The word originally simply meant "foreigner", and is probably a corruption of the Spanish word griego for "Greek" (along the lines of the idiom "It's Greek to ...

  6. Intelligent tutoring system - Wikipedia

    en.wikipedia.org/wiki/Intelligent_tutoring_system

    This can be achieved by designing the ITS to have the appearance of being taught as is the case in the Teachable Agent Arithmetic Game [118] and Betty's Brain. [119] Another approach is to have students teach a machine learning agent which can learn to solve problems by demonstration and correctness feedback as is the case in the APLUS system ...

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