Since the square is known to be magic, we can assume from basic "magic theory" that the missing numbers are those absent at the moment from the series 1 to 16. The main insight then required is to ...

A magic square is an arrangement of numbers where all rows, columns and diagonals add up to the same number, called the magic constant. Can you complete this square by filling in the missing numbers?

Greetings puzzlers near and far. When I say "far," I mean far because this week's winner is Sugiyama from Tokyo Japan who gets the Puzzle Of The Week via Wired Japan! Sugiyama figured out one of the ...