Sharp Calculators EL-344RB 10-Digit Handheld Calculator - 3-Key Memory, Sign Change, Auto Power Off - Battery/Solar Powered - Battery Included - 0.3in x 2.7in x 4.7in - Gray, Black - 1 / Each

Colored conversion keys ensure easy operation Twin-power operation provides consistent use in any environment 44 built-in conversions make calculations fast and simple Extra-large LCD displays clearly defined numbers to prevent reading errors Also includes change sign, square root keys, and more