Casio FX-300ESPLUS2 Scientific Calculator, Natural Textbook Display, Black The Casio FX-300ESPLUS2 Plus Natural textbook display shows formula and results exactly as they appear in the textbook and offers 249 built-in functions such as fraction calculations, trigonometry, hyperbolic functions and more. This calculator includes a protective hard case and 2-line display for easy reading. Recommended for students taking General Math, Pre-Algebra, Algebra I and II, Geometry, Trigonometry, Statistics, Physics. Great calculator for Jr. High and High School students. Operating system: S - V.P.A.M, clear last entry and clear all, review and edit preview entries, fixed decimal capabilities, multi-replay, plastic keys. Multi-replay function lets user step back through calculations, edit and recalculate. Natural Textbook Display. Prime Number Factorization. Recurring Decimal. Remainder Calculation. Greatest Common Divisor, Least Common Multiple. Scientific Notation, Combinations, Permutations, x!, random integer generator. Logarithm of any base. 2-function Table of Values [f(x), g(x)], one/two-variables, mean, sum, # of elements, standard deviation, linear regression, log, ln, inverse log, exponential, store and edit data in memory, quadratic, log, exp, power, inverse regression. Sin, cos, tan, and inverses, hyperbolic functions, converts between DEG, RAD, GRAD. Casio FX-300ESPLUS2 Scientific Calculator 2-Line Natural Textbook Display, shows formulas and results simultaneously Memory: 9 constant locations Dimensions: oe H x 3 1/8 W x 6 3/8 L Weight: 3.7 oz. Protective cover: Hard case Power source: Solar and battery Operating system: S - V.P.A.M, clear last entry and clear all, review and edit preview entries, fixed decimal capabilities, multi-replay, plastic keys Features 249 built-in math functions including basic and advanced scientific, exponential and trigonometric, fractions, regression analysis and more Multi-replay function lets user step back through calculations, edit and recalculate Natural Textbook Display Prime Number Factorization Recurring Decimal Remainder Calculation Greatest Common Divisor, Least Common Multiple Scientific Notation, Combinations, Permutations, x!, random integer generator Logarithm of any base 2-function Table of Values [f(x), g(x)], one/two-variables, mean, sum, # of elements, standard deviation, linear regression, log, ln, inverse log, exponential, store and edit data in memory, quadratic, log, exp, power, inverse regression Sin, cos, tan, and inverses, hyperbolic functions, converts between DEG, RAD, GRAD