Solution 34915: Changing the Language to English on the TI-84 Plus C Silver Edition.
How do I change the language to English on the TI-84 Plus C Silver Edition?
To change the language to English on a TI-84 Plus C Silver Edition:
1) Press [APPS].
2) Under the applications listed, select the language currently on the calculator (for example, if the calculator is in Spanish, select Espanol) and press [ENTER].
3) On the Language Localization screen, the choice to select a language is given. Press  for English.
Please see the TI-84 Plus C Silver Edition guidebook for additional information.