A:Answer TennesseeTom, thank you for your question. Yes, our Best Buy essentials™ 5' USB-A to Micro USB Charge-and-Sync Cable will work to charge a TI-84 Plus CE graphing calculator. The TI-84 Plus CE uses a Micro USB port for charging, which is the connector type of this cable. You can plug the Micro USB end into your calculator and the USB-A end into a USB power source, such as a wall adapter or a computer, to charge it. If you have any other questions or need further assistance, feel free to ask! - Mae | BestBuy Essential Support