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Calcudoku

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THE PLAYBOOK · KZZDM

How to play Calcudoku

Try Calcudoku at your own pace and keep its objective in view. Fill a 4×4 Latin square and satisfy every cage arithmetic target. Check the relevant rule before repeating a move. Keep the instructions close while learning this activity. Check the relevant rule before repeating a move.

Twelve puzzles with addition, multiplication, subtraction and singleton cages.

Keep the aim in sight

Keep the stated aim separate from side details such as animation or appearance. Progress is measured by the game’s own completion or scoring rules. Make the next step deliberately.

Your goal

Fill a 4×4 Latin square and satisfy every cage arithmetic target. An attractive position is not enough unless the goal is met. The example below illustrates a decision.

Step by step

  1. Select a square and enter 1–4.
  2. Combine all cage digits using its shown operation.
  3. Subtraction uses the absolute difference.
  4. Check puzzle verifies the entire grid.

Controls

Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution. Read a button’s label before selecting it. Make sure you are interacting with the game rather than the surrounding page.

A useful example

A two-cell 6× cage contains 2 and 3 in a 1–4 puzzle. Your next round may have a different position, so inspect it before acting. Choose a deliberate next step.

Watch out for this

A correct cage total does not permit duplicate digits in a row. Compare the situation with the worked example. When a decision goes wrong, compare it with the common mistake described below. Start again only when you intend to leave the current round.

Common questions

While learning, what is the goal of Calcudoku?

Here is the relevant explanation: Fill a 4×4 Latin square and satisfy every cage arithmetic target.

How do I control Calcudoku?

For clarity: Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution.

For a quick reminder, what example helps explain Calcudoku?

For clarity: A two-cell 6× cage contains 2 and 3 in a 1–4 puzzle.

On this playing page, what should I watch out for in Calcudoku?

Here is the relevant explanation: A correct cage total does not permit duplicate digits in a row.

On this playing page, what format does Calcudoku offer?

The key detail is this: Twelve puzzles with addition, multiplication, subtraction and singleton cages.

On this playing page, which play mode does Calcudoku use?

The key detail is this: The mode on this page is Solo. Same-device play uses one screen; this game library does not provide internet matchmaking.

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