價格：免費
檔案大小：7.9 MB
版本需求：需要 iOS 6.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：日語, 英語
Ninja Math Master is a calculation game which supports Game Center.
You can master double-digit multiplication formula by yourself or competing calculation speed with friends.
How to play
1,Earning points
a,Level Clear Point
Points given are as follows. A ~ C Rank is given according to the speed for each level.
b,Game Clear Point
One point is given by solving 20 question in any level. There is no time limit.
c,Good-Job Point
One point is given by solving a question in less than a second.
d,Double-Number Point
Bonus point given when you clear a level and two digits after the decimal point in the clear time are matching.
The total points will be displayed at the top screen. They are recorded in the game center at the same time and you can see them any time.
2,Time challenge by level
Time is saved and the best time is sent to the game center.
Compete with friends and people around the world.
Good luck!
支援平台：iPhone, iPad