Sudoku Calculator Pro

Stuck pondering over a Sudoku puzzle? Enter the puzzle and tap 'Calculator' to get the answer instantly.
● Ultra-fast millisecond-level solving
● Stable, reliable, highly accurate calculations with powerful performance
● Smart input automatically filters invalid numbers; tap the top-left back button, solved results are automatically retained
● Supports exporting board data. Share puzzles for help, or directly send solution results
● Recommended to use together with Sudoku All-In-One Pro, which contains over 10,000 Sudoku levels for you to challenge
Test data source: sourced from our self-developed app 'Sudoku All in One', covering 6 major difficulty levels with a question bank of more than 10,000 Sudoku puzzles. We optimized 4 master-grade solving algorithms capable of handling millions of calculations; even extremely hard puzzles can be solved within single-digit milliseconds.
Comparison reference: The old version used internationally common algorithms, with a maximum solving time of 168075 milliseconds per puzzle. The optimized set of 4 top algorithms only needs up to 4668 milliseconds, boosting computing speed by at least 36 times.