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