* 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.