Texas Instruments TI-83 Plus Manual Book page 15

Use options on this screen ... To do this:
MAIN displays the main menu.
DEGR displays the degree entry screen
where you can view or change the degree
of the polynomial.
CLR clears all of the coefficient values that
Coefficient entry screen
you have entered.
LOAD displays a list prompt so that you
can enter a list name that contains the
coefficient values you want to use. You
must set up the list in the list editor before
you can use the list in the Polynomial Root
Finder application. You cannot access the
list editor while the application is running.
SOLVE computes and displays the roots of
the polynomial.
The solution may be too long to display on
one screen. If an up or down arrow is
displayed on the left side of the screen,
press and as necessary to view the
entire solution.
TI-83 Plus Polynomial Root Finder / Simultaneous Equation Solver Application Page 15