Vernier does not sell TI replacement batteries. You can purchase replacement batteries from the TI Online Store TI-Nspire CX II and TI-Nspire CX II CAS......
Texas Instruments provides free out of warranty repair for connector (I/O or link port) problems on graphing calculator and data collection devices that are up......
Unlike previous versions of Graphical Analysis, Graphical Analysis version 3.8.4 does not support the ability to import from TI graphing calculators. That ability has existed,......