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  2. Magic circle (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Magic_circle_(mathematics)

    A magic circle can be derived from one or more magic squares by putting a number at each intersection of a circle and a spoke. Additional spokes can be added by replicating the columns of the magic square. In the example in the figure, the following 4 × 4 most-perfect magic square was copied into the upper part of the magic circle. Each number ...

  3. Magic circle - Wikipedia

    en.wikipedia.org/wiki/Magic_circle

    The Magic Circle by John William Waterhouse (1886) A Solomonic circle with a triangle of conjuration in the East. A magic circle is a circle of space marked out by practitioners of some branches of ritual magic, which they generally believe will contain energy and form a sacred space, or will provide them a form of magical protection, or both.

  4. Magic circle (games) - Wikipedia

    en.wikipedia.org/wiki/Magic_circle_(games)

    In games and digital media, the "magic circle" is the space in which the normal rules and reality of the world are suspended and replaced by the artificial reality of a game world. [1] As noted by Edward Castronova in Synthetic Worlds: The Business and Culture of Online Games , the boundary delineating this space "can be considered a shield of ...

  5. List of Martin Gardner Mathematical Games columns - Wikipedia

    en.wikipedia.org/wiki/List_of_Martin_Gardner...

    A breakthrough in magic squares, and the first perfect magic cube: 1976 Feb: Some elegant brick-packing problems, and a new order-7 perfect magic cube 1976 Mar: On the fabric of inductive logic, and some probability paradoxes 1976 Apr: Snarks, Boojums and other conjectures related to the four-color-map theorem 1976 May

  6. Magic square - Wikipedia

    en.wikipedia.org/wiki/Magic_square

    The largest square Mosei constructs is of 19th order. Various magic squares and magic circles were also published by Nozawa Teicho in Dokai-sho (1666), Sato Seiko in Kongenki (1666), and Hosino Sanenobu in Ko-ko-gen Sho (1673). [12] One of Seki Takakazu's Seven Books (Hojin Yensan) (1683) is devoted

  7. Siamese method - Wikipedia

    en.wikipedia.org/wiki/Siamese_method

    The Siamese method, or De la Loubère method, is a simple method to construct any size of n-odd magic squares (i.e. number squares in which the sums of all rows, columns and diagonals are identical). The method was brought to France in 1688 by the French mathematician and diplomat Simon de la Loubère , [ 1 ] as he was returning from his 1687 ...

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  9. Magic circle (disambiguation) - Wikipedia

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

    A magic circle is a ritually defined space in a number of magical traditions.. Magic circle or Magic Circle may also refer to: . Magic circle (mathematics), an arrangement of natural numbers on circles such that the sum of the numbers on each circle and the sum of numbers on each diameter are identical