Robert Dickter, a specialist of Luo Shu numerology in Art and Architecture, has proposed his paper ‘The Secret of the Magic Square’ for publication in these pages. Although the content differs from the usual posts of ‘Magic Squares, Spheres...
Tuesday, 25 March 2025
Wednesday, 25 September 2024
Magic Box Cubes, Rubik's Cubes and Twisty Puzzles
Today, when searching on Internet for "magic cubes," we will most likely be directed towards sites about "Rubik's Cubes." This state of affairs results from a certain indifference for the mathematics, which though essential for the creation...
Saturday, 11 May 2024
137 Plus-or-Minus Groups of Magic Tori of Order 4, Linked by Plus-and-Minus Operations
General information about the 255 magic tori of order 4, and about the 880 magic squares that those tori display, can be found in a previous article, published on the 15th June 2023, and entitled "440 Torus-Opposite Pairs of the 880 Frénicle...
Wednesday, 24 April 2024
Plus or Minus Groups of Magic Tori of Order 4
As the positive integer entries of normal magic tori, and of their displayed magic squares, are always arranged in same-sum orthogonal arrays, it would seem logical to compensate any additions or subtractions to those entries, by making...
Thursday, 15 June 2023
440 Torus-Opposite Pairs of the 880 Frénicle Magic Squares of Order-4
Finding the torus-opposite pairs of magic squares in even-orders:
The following diagram, which illustrates the array of n² essentially-different square viewpoints of a basic magic torus of order-n, starting here with the 4x4 magic square...
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