Victor 8-digit compact handheld pocket calculator. Features an extra large 14 mm LCD display. Built-in antimicrobial protection reduces the growth of microbes & bacteria on the product that can cause discoloration & odors. Manufactured with recycled plastic. Well-spaced keys. Percent Key. Square Root Key. 3-Key Independent Memory. Automatic constants. Operates on dual power (solar / battery backup). Includes protective hard-shell slide case. Power Source(s): Battery; Solar; Display Notation: Numeric; Number of Display Digits: 8; Memory: 3-Key.