Number Ninja vs Feynman rules

Welcome to Number Ninja - Math Sensei! Are you ready for an entertaining puzzle game where you can test your math skills? With Number Ninja - Math Sensei, you can improve your math abilities and engage in brain exercises! The game offers 3 different difficulty levels: 5-number mode, 6-number mode, and 7-number mode. Choose the level that suits you best and become a master in that mode! Features: - Stimulating puzzles and enjoyable math operations! - Worldwide ranking in the 7-number mode! Collect points by performing correct operations and secure your place on the leaderboard! - Play in 8 different languages: English, French, German, Turkish, Polish, Korean, Hindi, and Spanish. How to Play: In the game, you must use addition, subtraction, multiplication, and division operations to reach the target result among the given numbers. The more accurate your calculations are, the higher your score! Elevate your skills to the highest level to climb the ranks in the worldwide leaderboard. Number Ninja - Math Sensei is a fun and mind-challenging game for both kids and adults. It's a perfect choice for those looking to enhance their math abilities and those who want to test their quick thinking and analytical skills! Are you ready to put your mind power and math skills to the test? Join Number Ninja - Math Sensei now and become the ultimate math master! Warning: This game can be addictive! Proceed with caution as Number Ninja - Math Sensei is packed with exciting and challenging puzzles!

This app introduces Feynman rules. You can get some understanding for Feynman diagrams. E is external point, V is vertex, P is propagator, and S is symmetry factor.