E795 -- De quadratis magicis

(On magic squares)

(based on Jordan Bell's abstract)
Euler shows how to construct magic squares with a certain number of cells, in particular 9, 16, 25, and 36. He also considers some general rules for constructing squares of even and odd orders. He starts with Graeco-Latin squares and puts constraints on the values of the variables so that the result is a magic square.

According to the statement on p. 593, it was presented to the St. Petersburg Academy on October 17, 1776.

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