The app contains numbers and their names, tables from 1 to 20, tables 1/2, 14, and 3/4 of forms, classification of numbers, and other measures of types to learn with audio. app contains numbers and their names, tables from 1 to 20, tables 1/2, 14, and 3/4 of forms, classification of numbers, Roman numbers, numeration system, measures of time, days of the week, months in a year, measures of length, linear measure, measures of weight, measures of capacity, measures of area, measures of volume, Br