Texas Instruments TI-83 Manual Book page 76

Enter the expression directly into the equation solver.
Paste a
equation solver.
Press y K, paste a
menu, and press Í. The expression is pasted to the equation
solver.
The expression is stored to the variable
3. Press Í or †. The interactive solver editor is displayed.
The equation stored in
the top line.
Variables in the equation are listed in the order in which they
appear in the equation. Any values stored to the listed variables
also are displayed.
The default lower and upper bounds appear in the last line of the
editor (
bound={L1
TI-83 Plus Math, Angle, and Test Operations
variable name from the
Y=
99,1 99}
å å
VARS Y.VARS
variable name from the
Y=
eqn
is set equal to zero and displayed on
eqn
).
menu to the
VARS Y.VARS
as you enter it.
73