Mental Math - basics of math

* The importance of mental calculation - It is difficult to calculate faster and exactly. - Mental calculation is the best way to calculate faster and exactly. - In this way, you can develop your overall ability of math. - Also, it is good for brain-training * Features 1. Many math teachers adopt this way for their teaching! - Anyone can learn easily. - Practice 10 minutes everyday. - Fix the wrong calculate habits. - Good for brain-training. - You can learn addition, subtraction, multiplication, and division. 2. Anyone, Anytime, Anywhere! - For all ages. - Do not need internet connection(wi-fi). - All smartphones and pads available. 3. Have fun with characterful designs! - Fun stories like a game. - You can collect monster friends when learning. - Challenge the King of mental calculation. 4. Convenient checkup! - Mark the answers in real time. - Check the overall learning process. - Find your weaknesses. * Recommend 'MathMon: Mental Math' to these people - People who calculate slow and make many mistakes. - People who feel bored with learning calculation. - Anyone who wants fun brain-training.