Solar desktop 12-digit calculator is a big-digit desktop calculator which features arithmetic functions (add, subtract, multiply, divide), percent, 3-key memory, square root, and floating decimal point. Solar-powered unit can be read in any light. Performs chain calculations. Large 12-digit display is angled to eliminate reflected glare. Jumbo, 1/2-inch high digits allow effortless readings even with your glasses off. Oversized keys and perfect spacing are easy on the fingers. Tough ABS plastic case is ideal for rough lab use. Feet protect the unit from spills. Supplied complete with instructions. The 12-digit unit permits calculating numbers as large as 999,999,999,999 and as small as .000000000001 without confusing scientific power notations or symbols. Size: 4-1/2 x 6-1/2 x 3/16-Inch. Weight: 4oz. Control Company#: 6032.