Выполнять математические задачи по убыванию
A self learning app based on mathematical concept widely known as arranging numbers in descending order. One can choose auto generated problems or can enter numbers manually. Options are shown where one option is correct. On selecting right option background color changes to green. Numbers of any length up to 5 is controlled through a drop down. New question is generated by swiping right whereas swiping left can be used to see the options for answer.