Texas Instruments TI-83 Plus Manual Book page 11

An answer file is automatically created for each assignment and
is associated with your username. Your responses to items in the
assignment are stored in this application variable (AppVar) file.
The AppVar name is the same as the assignment AppVar name,
except that it begins with the letter U.
Example: Your assignment, Real Numbers and Operations, has
the file name REALNUM.8xk. The answer file name is
UREALNUM.8xk.
Note
• Another AppVar, NavPlay, is created when you complete an
• If you delete NavPlay, this information is lost, and you will
TI-83 Plus LearningCheck App
assignment. NavPlay stores information about your progress
through the assignment so that you can exit the assignment
and then return to the same location within the assignment the
next time you access it.
return to the beginning of the assignment the next time you
access it. Deleting NavPlay does not affect the answer file.
Page 11