Get your calculations done at a faster speed with the Casio SL-300SV calculator. Featuring an 8 digit display this Casio calculator makes it easier to calculate larger numbers. The large display of this basic calculator makes it easy-to-read numbers as you enter. The profit-margin percent function of this Casio calculator makes it simple to carry out trade calculations. Using solar plus power with its battery backup this basic calculator offers long hours of operations. The Casio SL-300SV calculator features an independent memory and is perfect for both business and home use.