Number Games

    Calcudoku

    Generate Calcudoku (a.k.a. Mathdoku) books. Each row and column contains the digits 1..N exactly once, and bold-outlined cages must reach a target using +, −, ×, or ÷.

    1. 1
      Sizes & counts
    2. 2
      Layout
    3. 3
      Typography & output
    4. 4
      Review

    Step 1 of 4

    Sizes & counts

    Mix grid sizes and how many puzzles of each.

    Grid sizes & counts

    Total: 20 puzzles
    4

    Bigger cages = harder logic. 3–4 is typical.