The Calculator CASIO SL 1000 SC black solves simple arithmetic problems, which makes it a great choice for school and office work. The basic functions include - root and percent. It also features financial functions, including vAT calculation. Another advantage of this model is its dual power supply including a solar panel and a battery, which significantly reduces the calculator's energy use. This calculator features a 2row display that fits 10 digits. The package includes a protective case that prevents against scratches. The compact dimensions make the calculator a handy travel companion.