This application is a tool, in learning the four mathematical operations (addition, subtraction, multiplication and division), and has been designed for elementary school children.
It is not a game, it gives you have enough time to think and execute correctly the operations.
The application consists of three sections ( caterpillar, butterfly and blackboard) and also a menu for the option to enter and delete your name, the display shows the grades and the operations.
In the caterpillar section you can perform exercises of addition and subtraction by memory.
In the butterfly section you can perform exercises of multiplication and division by memory.
In the blackboard section you can play the four mathematical operations by putting the numbers in columns.
In the caterpillar and the butterfly section the operations are randomly generated, for three difficulty levels (1, 2 and 3), you can choose the level and then answer the questions, you must give 15 correct answers for the caterpillar and 20 for the butterfly to complete the level, at the end you will be given a grade.
After in the menu section you can see the average grade and the maximum grade for all levels of difficulty.
In the blackboard section the operations are done by putting the numbers in columns, you can perform the four operations in two ways: random mode for the four operations and three difficulty levels (1, 2 and 3), you can select your own operations and numbers to be put on the blackboard.
In case you choose to enter your numbers directly, at the end of the operation it has the possibility to be saved and subsequently revised in the menu section.
Finally, the operations on the blackboard can be done with the "Help" option, to execute the operation.