**Powerful Multi-Function Modes**IPepul graphing calculator features 10 built-in function modes: 1: Calculate, 2: Complex, 3: Statistics, 4: Base-N, 5: Equation, 6: Table, 7: Matrix, 8: Vector, 9: Graphic, and 10: G-Solve. Whether you are a student, engineer, or financial analyst, this calculator meets all your needs, making it an ideal tool for mathematical and scientific calculations. **Advanced Graphing Capabilities**Graphing calculator supports various graphing functions, including ：1、Drawing of Cartesian Coordinate equation 2、Drawing of Conic Curve 3、Drawing of Polar Coordinate Function 4、Drawing of Parametric Equation 5、Set of 8 commonly used function drawings catering to the needs of professional users.Perfect for college students back to school supplies . **Energy-Efficient Design**Access the settings menu by pressing [SHIFT] + [MODE] to configure calculation settings, system settings (including contrast adjustment, auto power-off time, and multi-line display font settings), and perform reset operations. Powered by 4 AAA batteries, the calculator allows easy battery replacement without any tools. Its energy-saving design ensures the calculator automatically shuts down after 6 minutes of inactivity, extending battery life and conserving energy. **Wide Range of Applications**Suitable for a diverse range of users, including students, financial professionals, office workers, and engineers, this graphing calculator supports calculus, algebra, matrix operations, statistical analysis, trigonometry, and geometry. It is an indispensable assistant for academic research, professional calculations, and daily tasks. **High-Resolution Large Screen**Featuring a 128x64 high-resolution display with a screen size of 66.5 x43.8 mm (2.62"x1.72"), this large screen design clearly displays input data, calculation results, and graphs. The well-designed keyboard layout with appropriately sized keys prevents accidental key presses and enhances efficiency.