Magical Mathematics is a good tutor who will be patient with your questions. If Mathematics isn't your specialty, you will need this cartridge. There are Addition, Subtraction, Multiplication and Division of Integers and Fractions, System of Linear Equation with One Unknown, Compound Exercises, and Mathematic Blocks in Magical Mathematics. We constructed the exercises with a basic concept, so children from 7 to 15 can play them step by step. Magical Mathematics will train you to have a super brain for mathematics!