Texas Instruments TI-83 Plus Manual Book page 40

Open-response items contain an area where a short answer can
be typed. The length of the answer is limited only by the amount
of available memory on the TI-83 Plus. Answering free-response
items on a response form is exactly the same as on any other
assignment. See
details.
TI-83 Plus LearningCheck App
Answering Open-Response Questions
Characters wrap to the next line when they reach
the end of a line.
As you reach the bottom of the screen, previous
lines scroll up.
You can use characters from the special
characters palette (
and the commands and symbols in the CATALOG
(2½).
>
MENU SPECIAL CHARACTERS
for more
)
Page 40