This device provides the necessary electrical current to replenish the battery of a Texas Instruments Nspire CX CAS calculator. It typically connects to the calculator via a mini-USB or micro-USB port and draws power from a standard AC wall outlet or a USB port on a computer.
Essential for maintaining the functionality of the graphing calculator, this accessory ensures uninterrupted use during exams, classroom activities, and homework sessions. A functional power source eliminates the risk of data loss due to a depleted battery and supports consistent performance of the calculator’s various features. Prior to widespread USB adoption, dedicated chargers with proprietary connectors were more common.