With Smart me! you can improve your mental arithmetic skills and power of concentration. The app is suitable for children and adults and ideal for preschool and elementary school. - provides all arithmetic operations (addition +, subtraction −, multiplication × and division ÷) - simple switching between number ranges up to 10, up to 20 and up to 100 makes it suitable for the first grade of elementary school too - promotes learning by repeating incorrectly solved math problems automatically - st