2-8 Math, Angle, and Test Operations
8302MATH.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 12:12 PM Printed: 02/19/01 2:27
PM Page 8 of 26
Solver displays the equation solver, in which you can solve
for any variable in an equation. The equation is assumed to
be equal to zero.
Solver is valid only for real numbers.
When you select
Solver, one of two screens is displayed.
•
The equation editor (see step 1 picture below) is
displayed when the equation variable
eqn is empty.
•
The interactive solver editor (see step 3 picture on page
2
.
9) is displayed when an equation is stored in
eqn.
To enter an expression in the equation solver, assuming
that the variable
eqn is empty, follow these steps.
1. Select
0:Solver from the
MATH
menu to display the
equation editor.
2. Enter the expression in any of three ways.
•
Enter the expression directly into the equation
solver.
•
Paste a
Y=
variable name from the
VARS Y
.
VARS
menu to the equation solver.
•
Press
y
[
RCL
], paste a
Y=
variable name from the
VARS Y
.
VARS
menu, and press
Í
. The
expression is pasted to the equation solver.
The expression is stored to the variable
eqn as you
enter it.
Using the Equation Solver
Solver
Entering an
Expression in the
Equation Solver
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