Explore the world of numbers with the Casio Classpad FX-CP400 Scientific Graphing Calculator, designed for precision and efficiency in mathematical calculations. Boasting a large display for clear viewing of graphs and data, this calculator is a handy tool for both students and professionals. Its touch screen interface ensures easy navigation and reduces input errors, while the backlight feature enables seamless use in low-light conditions. The FX-CP400 model comes equipped with a range of functions, including basic, scientific, and financial calculations, along with a built-in programmable calculus function to aid in complex problem-solving. Its handheld size makes it portable, and the USB connectivity offers easy data transfer. This calculator is powered by battery and comes with regular key size for comfortable use.