Math Skill

Do you think that the basic operations such as summation, subtraction, multiplication, division is very simple?
So you'll never have wrong result with those operations?
Try checking capability that you think is fundamental with "Math Skill" and maybe you'll think again.
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-"Math Skill" have 14 combine operations.It is arranged in order from easy to difficult.
The first operation is Summation.The last combine operation include :Summation,Subtraction,Multiplication and Division.
You must to achieve good scores in earlier operations to open the next operation.
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*Feature:
-Top ranking!
-Help tool for get higher score!
-All free!
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Let's play and enjoy!