Casio fx-82ZA Plus II Scientific Calculator is natural textbook 2-line display, which can show both the input and the output simultaneously, simplifying the process of reviewing calculations. It can handle a wide range of mathematical functions, including trigonometric, logarithmic, exponential, Remainder calculations, GCD/LCM. Hour, Minute, Second calculations, Prime factorization, Ratio calculations and statistical calculations. It can also solve fraction, permutation and combination problems. Statistics Mode Data handling and regression analysis.