Using The Equation Solver - Texas Instruments TI-84 PLUS - Graphing Calculator Manual Book

To speed the drawing of integration graphs (when
Note:
window variable before you press s.
the value of the
Xres

Using the Equation Solver

Solver
displays the equation solver, in which you can solve for any variable in an equation. The
Solver
equation is assumed to be equal to zero.
When you select
Solver
• The equation editor (see step 1 picture below) is displayed when the equation variable
empty.
• The interactive solver editor is displayed when an equation is stored in
Entering an Expression in the Equation Solver
To enter an expression in the equation solver, assuming that the variable
these steps.
1. Select from the
B:Solver
2. Enter the expression in any of three ways.
• Enter the expression directly into the equation solver.
• Paste a Y= variable name from the
solver.
Press y K, paste a Y= variable name from the
•
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
• 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.
Solver
, one of two screens is displayed.
menu to display the equation editor.
MATH
YVARS
eqn
is set equal to zero and displayed on the top line.
eqn
Chapter 2: Math, Angle, and Test Operations
is used in a Y= equation), increase
fnInt(
is valid only for real numbers.
t a
shortcut menu (
shortcut menu, and press
YVARS
as you enter it.
is
eqn
.
eqn
is empty, follow
eqn
) to the equation
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