After the user fills in the necessary information, clicking on the CALCULATE button, the application displays the minimum volume of the upper (above the building) and lower (on the ground) reservoir, and the minimum commercial diameter of the discharge piping (piping that takes the water to the upper reservoir).
It also has a LANGUAGE button that allows the user to choose to use it in Spanish, Portuguese or English.
It was developed by Carlos Alberto P. de Queiroz and had Professor José Edson Martins as an intellectual mentor, both public servants of the IFRN.