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TI-83 Plus Math, Angle, and Test Operations 75
Solving for a Variable in the Equation Solver
To solve for a variable using the equation solver after an equation has
been stored to
eqn
, follow these steps.
1. Select
0:Solver
from the
MATH
menu to display the interactive solver
editor, if not already displayed.
2. Enter or edit the value of each known variable. All variables, except
the unknown variable, must contain a value. To move the cursor to
the next variable, press
Í
or
†
.
3. Enter an initial guess for the variable for which you are solving. This
is optional, but it may help find the solution more quickly. Also, for
equations with multiple roots, the TI-83 Plus will attempt to display
the solution that is closest to your guess.
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