Using The Equation Solver - Texas Instruments TI-82 STATS Manual Book

Using the Equation Solver

Solver
Entering an
Expression in the
Equation Solver
2.8 Math, Angle, and Test Operations
displays the equation solver, in which you can solve for
Solver
any variable in an equation. The equation is assumed to be equal
to zero. is valid only for real numbers.
Solver
When you select
Solver
The equation editor (see step 1 picture below) is displayed
when the equation variable
The interactive solver editor (see step 3 picture on page 2.9)
is displayed when an equation is stored in
To enter an expression in the equation solver, assuming that the
variable is empty, follow these steps.
eqn
1. Select from the
0:Solver
editor.
2. Enter the expression in any of three ways.
Enter the expression directly into the equation solver.
Paste a variable name from the
Y=
to the equation solver.
Press y [
RCL
VARS Y.VARS
pasted to the equation solver.
The expression is stored to the variable
, one of two screens is displayed.
is empty.
eqn
menu to display the equation
MATH
VARS Y.VARS
], paste a variable name from the
Y=
menu, and press Í. The expression is
.
eqn
menu
as you enter it.
eqn