The sleek handheld TI Nspire graphing calculator features a backlit display, color-code equations, and full-colored points and lines. It is highly advanced to produces graphs, find antiderivatives, complete squares, and solve 3D functions both manually and automatically. It has an installed rechargeable battery that lasts up to two weeks. It is slim and lightweight hence highly portable. This graphing calculator is a robust learning tool for middle school and college students.