Texas Graphic Display Calculator Model : TI-NSPIRE CX II (NON-CAS) The TI-Nspire CX II NON-CAS graphing calculator with licensed TI-Nspire™ CX Student Software, iIn addition to math and science functionality to meet course work, a student can save all their work easily in a TI-Nspire™ document. Features a built-in TI Rechargeable Battery, high-resolution, backlit color screen, and USB cable for easy connection to a computer for transfer and charging, making it a perfect tool for school and home.