The fx-CG500 brings touchscreen technology to the graphing calculator. Its extra-large screen allows for more complete and detailed viewing of mathematics and its drag-and-drop functionality enables students to quickly and intuitively pull information from one representation into another. Incorporating Casio’s standard Natural Textbook Display, convenient drop-down menus, and a handy soft keyboard, the fx-CG500 will impress you with how easy to use it can be. Features Touchscreen, Tap and drag operation Advanced (CAS) for symbolic computation Color graphing Calculator - extra large 4.8" touchscreen LCD with Stylus. High-Resolution Color LCD with over 65,000 colors Built-in graphing Conic sections Color link for graphs, charts, and spreadsheets USB-to-computer connectivity Natural textbook display Specs Display - Dot Matrix Display: 320x528 LCD (Color): High Color LCD (Size): 4.8" Memory (Bytes): 500KB Storage Memory Area (Flash Memory): 5.5MB (eAct), 24.0MB (Flash Drive) Power Source: Battery Number of Batteries: 4 AAA batteries required. (included) Approximate Battery Life (Hours): 100h (Alkaline) Material: Plastic Connectivity: USB, 3pin Cable, Direct Projector Connection (Casio Projectors) Inputting: Stylus, Keyboard (Soft Keyboard) Standard Calculation: Differential Coefficient of Second Order, Simplify for Fraction, Mod (Remainder), GCD/LCM, Random Integer Graphing: X=f(y) Graph, Inequality Graph, 3D Graph, Composite Function Graph, Slider, Differential Equation Graph, Pie Chart, Bar Chart Statistics: Frequency (for Decimal Value), Stat Test - 11, Confidence Interval - 8, Distribution – 24, HyperGeometric, Probability Simulation Financial (TVM): Function, Depreciation, BondCalculation Equation: Simultaneous Equations, Polynomial Equation (n-th (Maximum): 24, Degree (Maximum): 30, Complex Number Available) Logic: Preloaded Periodic Table: Preloaded Scientific Constants: Preloaded Box Content Casio fx-CG500 Color Graphing Calculator Stylus (inserted in fx-CG500) Protective Hard Case USB Cable 2.4ft (75cm) Four AAA alkaline batteries (non-rechargeable) Quick Start Guide