CatMath

CatMath is an app for training your brain. You can practice math with Dr. Cat who watches you closely as you are trying to solve his ten random equations. CatMath also records your calculation time and can post your results on Facebook and Twitter. It's a great brain trainer for your daily use. The more you practice, the faster you will become!! You will see progress quickly and be able to impress your friends at the next party!! Moreover, CatMath is good for kids to train their math skills. CatMath makes you a math master!!!
For each equation given you have to fill in the correct arithmetic operator.

Free version Level 1-2: The math level is about Elementary School.ex) A?B=CFull versionLevel 3-6: The math level is about Middle School/Junior High School.

ex) (A ? B) ? C = D and A ? B ? C = D