Goal: Use addition, subtraction, multiplication, and division to quickly reach 24 points! Features: 1. Practice: Three difficulty levels to practice every day. 2. Problem Generator: Teachers can create 24-point test papers easily for printing and exporting. 3. Race: Take on 1-minute, 2-minute, 3-minute, and 5-minute challenges. 4. Leaderboards: Compare your quick calculation skills with others. 5. Customization: Adjust difficulty and add a title to your challenges. 6. Hints and Solutions: Get help and see the answers. 7. Gesture Support: Use gestures to solve puzzles faster. If you have any suggestions, feel free to reach out to us at 7saiwen@gmail.com.