The TI-Nspire CX II CAS graphing calculator inspires discovery and understanding, featuring a powerful Computer Algebra System that enables a deeper understanding of abstract concepts in math and science subjects. Learning to code: perfect for students interested in learning more about programming studies, like computer science, engineering and robotics. Approved for key exams including AP and IB Diploma Programme exams that allow or require a graphing calculator. Includes a 4-year license of the computer software. For TI-Cares customer support or battery questions, contact at 1.800.TI.CARES or [email protected].