The purpose of this app is to help people improve their mathematical skills. It consists of a series of mathematical calculation puzzles.

It consists of five rows and five columns, where in each row and column there are five puzzle boxes.

The puzzle boxes must be filled with numbers. The numbers entered must show the correct mathematical operations for the five boxes.

In this application, you will find a lot of different levels, with a different number of boxes and different operations.

For each level, you will be presented with a new puzzle, where you have to solve it in order to move to the next level.

This is the most fun and interesting way of learning mathematics.