Set Square

Set Square is a 3×3 arithmetic placement puzzle.

Rules

• Fill the grid with the digits 1 to 9, using each digit exactly once.
• Every row and column has a clue equation.
• Equations are evaluated strictly left-to-right (not PEMDAS/BIDMAS).
• A puzzle is solved only when all clues are satisfied.

Features

• Seeded puzzle generation for reproducible challenges.
• Difficulty levels that change how many starting givens appear.
• Give Up support to reveal the full solution.