Scientific calculator handles a total of 648 functions, and its large, four-line, easy-to-see natural display makes calculations easy and comfortable. Ideal for Algebra, Chemistry, Geometry, Physics, Statistics and Trigonometry. Functions include LCM, GCD Function, Quotient and Remainder, Random Integers, Probability Distribution Calculations, Complex Number Calculations and more. The F-792SGA also includes 38 built-in formulas. Memory functions include three independent keys, sum to memory, store to memory, recall memory and answer memory. The 96 x 32 dot matrix LCD features contrast adjustment and accommodates up to 18 digits for easy viewing. The dual power - solar and battery - allows you to perform your calculations whether you are in the school or on the go. Calculator automatically shuts off after 7 minutes of nonuse. Removable, hard cover case protects it against damage when you are on the move. The shell of the F-792SGA is made from recycled plastic.