Interactive Manual › Appendix C
Appendix C: Service and Warranty Information
Batteries, product support, service and warranty details for the physical calculator.
Emulator This appendix is about the physical calculator — batteries, Texas Instruments support, service and warranty — so it does not apply to the emulator. See the guidebook PDF for the full text.
Batteries and memoryp. 400
A real TI-84 Plus Silver Edition runs on four AAA batteries plus a backup battery that protects memory while the main batteries are changed. The emulator needs neither: your variables, programs and settings are saved in the browser automatically, and survive closing the page.