Math, Angle, and Test Operations 2.9
82STAT~4.DOC TI-83 international English Bob Fedorisko Revised: 10/28/05 12:19 PM Printed: 10/28/05 12:20
PM Page 9 of 26
3. Press Í or †. The interactive solver editor is displayed.
• The equation stored in eqn is set equal to zero and
displayed on 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={L1å
åå
å99,1å
åå
å99}).
• A
$ is displayed in the first column of the bottom line if
the editor continues beyond the screen.
Tip: To use the solver to solve an equation such as K=.5MV
2
, enter
eqn:0=KN.5MV
2
in the equation editor.
When you enter or edit a value for a variable in the interactive
solver editor, the new value is stored in memory to that variable.
You can enter an expression for a variable value. It is evaluated
when you move to the next variable. Expressions must resolve
to real numbers at each step during the iteration.
You can store equations to any
VARS Y.VARS variables, such as
Y1 or r6, and then reference the variables in the equation. The
interactive solver editor displays all variables of all
Y= functions
referenced in the equation.
Entering an
Expression in the
Equation Solver
(continued)
Entering and
Editing Variable
Values
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