It covers all you need to know for the ACT and SAT. • The app contains the following topics: FIRST STEPS • The Basics of the Basics • Mode Settings • Basic Arithmetic • Storing Variables • Working with Fractions • Testing Numbers • Converting Angles & DMS GRAPHING BASICS • Enter Functions • Enter Families of Functions • Formatting the Graph • Setting the Graph Window • Zooming the Graph Window DIFFERENTIAL CALCULUS • Tracing a Graph • Find Y-Value • Find X-Value • Y-Intercept • Zeros of a Function • Minimum • Maximum • Intersection of two Functions • Draw Derivative • Inflection Points • Calculate Tangent SOLVE EQUATIONS • Polynomial • Solve any Equation • Equation Solver INTEGRAL CALCULUS • Calculate Integral • Integral in GRAPH-Menu • Find Area with Absolute Value • Area between two Functions • Integral Function MATRICES • Save Matrix • Delete Matrix • Put into Row Echelon Form • Solve Matrix • Determinant of a Matrix • Transpose of a Matrix • Identity Matrix • Inversion of a Matrix • Matrix Arithmetic Operations STATISTICS & PROBABILITY • Permutations, Combinations & Factorials • Random Numbers • Lists & Statistical Data • Histogram, Box Plot & Scatter Plot • Statistical Data Analysis • Regression MATH PROBLEMS • Practice with over 60 math problems and solutions. We also have apps for the calculators: TI-Nspire CX (and CAS), TI-84 Plus, TI-84 Plus CE, CASIO fx-9860GlI NO ACTUAL GRAPHING CALCULATOR INCLUDED. THE APP IS A MANUAL!