Magic squares are squares which are divided into parts with each part becoming a square within the larger square.
Magic squares have been found in ancient writings from many parts of the world, and in some cultures they were thought to possess magical or supernatural powers.
Mathpages: Solving Magic Squares
Solution to the /arithmetic/magic.squares. problem
Mathforum: Suzanne Alejandre's Magic Squares
Neil Abrahams: Franklin Order-8 Squares
Clifford A. Pickover: The Zen of Magic Squares, Circles, and Stars ...
Perhaps the most noticeable feature of Liber Lunae is its set of magic squares. In MS. Sloane 3826, four of these squares contain errors; corrections appear at the end of the transcription.
See also: Magic, Square, Symbol, Spell, World