Casio 16-Digit Wide H Series Practical Calculator, DH-16-BK-W-DP, Black

Solar powered when light is sufficient, battery powered when light is insufficient. Symbol (+, -, Ã-, ÷) on the display indicates the status of operation you are currently performing. Key operations are stored in a buffer, so nothing is lost even during high-speed input. Precisely engineered to render a superior level of service life. Sprucely crafted to offer a higher level of functionality and efficiency