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Print/export Download as PDF; Printable version ... 260 is also the magic constant of the Franklin magic square devised by Benjamin Franklin. 52: 61: 4: 13: 20: 29 ...
The smallest (and unique up to rotation and reflection) non-trivial case of a magic square, order 3. In mathematics, especially historical and recreational mathematics, a square array of numbers, usually positive integers, is called a magic square if the sums of the numbers in each row, each column, and both main diagonals are the same.
The number zero for n = 6 is an example of a more general phenomenon: associative magic squares do not exist for values of n that are singly even (equal to 2 modulo 4). [3] Every associative magic square of even order forms a singular matrix, but associative magic squares of odd order can be singular or nonsingular. [4]
Bernard Frénicle de Bessy (c. 1604 – 1674), was a French mathematician born in Paris, who wrote numerous mathematical papers, mainly in number theory and combinatorics.He is best remembered for Des quarrez ou tables magiques, a treatise on magic squares published posthumously in 1693, in which he described all 880 essentially different normal magic squares of order 4.
Mr. Franklin was a great fan of magic squares, and created quite a few HUGE (16x16, 24x24) magic squares with a number of interesting attributes. I also recall a magic square that had to do with the 365 days in our year.
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A nineteenth-century print based on Poor Richard's Almanack, showing the author surrounded by twenty-four illustrations of many of his best-known sayings. On December 28, 1732, Benjamin Franklin announced in The Pennsylvania Gazette that he had just printed and published the first edition of The Poor Richard, by Richard Saunders, Philomath. [4]
In an approach to psychotherapy called focused acceptance and commitment therapy (FACT) the four square tool is a tabular method similar in appearance to a decisional balance sheet. [34] The four square tool shows four sets of behaviors: positive behaviors (called "workable" behaviors) and negative behaviors (called "unworkable" behaviors) that ...