Display: 8-digit LCD display with punctuation, Internal Precision: 10 digits, Power: Solar and Battery, The EL-344RB performs 44 different Metric conversions and utilizes colored conversion keys for easy operation, It is ideal for students studying biology chemistry physics and math who need to convert to and from the metric system, Extra Large Display - 10-digit fraction LCD display with punctuation, Twin Power Solar Operation - Automatically switches from solar cells to battery power in low light, Colored Conversion Keys - Allows for easy operation, 3-Key Memory - Includes memory plus memory minus and recall/clear memory keys, Additional Features - Sign change approximate fraction percent and square root keys 44 built-in metric and free rate conversions protective wallet and battery included, SKU: AZRSHREL344RB