7 x 7 odd square Matrix Magic Square

7×7 Magic Square

Row Totals

Column Totals

Diagonal 1

0

Diagonal 2

0

⏱️ 00:00

9 x 9 odd square Matrix Magic Square

9×9 Magic Square

Fill the grid so each row, column, and both diagonals sum to 369

Sound:

Rules:

• Use each number from 1 to 81 exactly once
• Each row, column, and both main diagonals must sum to 369
• Click a cell to select it, then type a number (1-81)
• Press Delete/Backspace to clear a cell
• Use arrow keys to navigate between cells

11 x 11 odd square Matrix Magic Square

XI × XI Royal Square

Row Sums

Column Sums

Main Diagonal

0

Anti-Diagonal

0

13 x 13 odd square Matrix Magic Square

13×13 Enigma Square

Row Totals

Column Totals

Primary Diagonal

0

Secondary Diagonal

0