Math is one of the subjects from elementary, junior to senior high school.
Mathematics is also used for our daily life such as buying goods etc.
Many find it difficult in math lessons, because of the skin in the sum, subtraction, multiplication, and division.
This app is the solution for those who want to practice the Sum, Reduction, Multiplication, and Division.
The more you practice the easier you do the math.
This exercise is also useful for physics.
Good practice and success.