The Calculator CASIO SL 1000 SC blue can solve simple arithmetic problems, which makes it a great choice for both school and office work. Some basic functions include - root and percent. The calculator also comes equipped financial functions such as vAT calculation. An additional advantage of this model is its solar and battery power supply, which significantly brings down its energy consumption. This calculator features a 2row display for 10 digits. The accessories include a protective case that shields the calculator against damage. Its small size makes the calculator a handy travel companion.