Handheld graphing calculator lets you stay mobile, continue learning with a color screen, thin design and rechargeable battery. Use on the PSAT, SAT, AP and PRAXIS exams. With the built-in Computer Algebra System, the TI-Nspire CX CAS Color Graphing Calculator also lets you explore higher-level math concepts including symbolic algebra and symbolic calculus as well as standard numeric calculations. View exact values - in the form of variables such as x and y, radicals and pi - when doing step-by-step arithmetic, algebraic and calculus calculations. Color-code equations, objects, points and lines on the full-color, backlit display. Make faster, stronger connections between equations, graphs and geometric representations on the full-color screen. Chem Box feature lets you easily use chemical notation. You can also graph and rotate 3D functions and change the wire or surface color of your 3D graph. Graphing calculator includes rechargeable battery and wall adapter.