The Calculator CASIO JW 200 white solves simple arithmetic problems, which makes it ideal for school and office work. You'll appreciate the basic functions - root and percent. The model also features financial functions such as vAT calculation, total sum and currency conversion. An additional advantage of this model is its dual power supply including a solar panel and a battery, which significantly reduces the calculator's energy use. The calculator comes equipped with a 2row display for 12 digits. Moreover, this model includes a protective case that guards against accidental damage.