The Canon F-792SGA Scientific Calculator handles a total of 648 functions, and its large, dot-matrix 4-line display makes calculations easy and comfortable. This calculator includes LCM, GCD Function, Quotient & Remainder, Random Integers, Probability Distribution Calculations, Complex Number Calculations and more. The F-792SGA also includes 38 built-in formulas. The dual power - solar and battery - allows you to perform your calculations whether you are in the school or on the go. It also provides a removable hard cover case which protects it against damage when you are on the move. The shell of the F-792SGA is made from recycled plastic.