Casio Scientific Calculator, 274 Function Calculator, Fraction calculations, Combination and permutation, Statistics (STAT-data editor, Standard deviation, Regression analysis), 9 variables, Table Function, Prime Factorization, Ratio Calculation, New equation mode, Inequality, Random integers, Natual V.P.A.M. Display expression same as textbook, Viewing and editing of input data in list format, showing data groups (x-data, y-data, frequency) and surrounding data, Quick and easy recall of previously executed formulas for editing and re-execution.