Texas Instruments TI-Nspire CX II Color Graphing Calculator

New, only works while plugged in. Battery needs to be replaced. Tested and working. It's missing the box. This is the TI-Nspire CX II (non-CAS version). It does not have a Computer Algebra System (CAS) and cannot perform symbolic manipulation or solve complex algebraic equations. If you need CAS functionality for advanced math or engineering, consider the TI-Nspire CX II CAS model. The TI-Nspire CX II's standard keyboard and features are accepted on most major standardized