Texas Instruments TI-89 Titanium User Manual page 665

1. Move the cursor (either free-moving or trace) to the point that you want to use as the
new guess.
2. Use 2 a to make the Numeric
Solver screen active.
3. Make sure the cursor is on the
unknown variable, and press †.
Cursor coordinate xc is the
Note:
unknown variable value, and yc is the
leftNrt value.
4. Press „ to re-solve the equation.
Returning to a Full Screen
From the split screen:
To display the Numeric Solver full screen, use 2 a to make the solver screen
•
active, press ..., and then select
– or –
To display the Home screen, press 2 K twice.
•
Numeric Solver
†
sets the graph
cursor's xc value as
an initial guess and
the yc value as left
The graph's xmin and
xmax values are set
as the bounds.
2:Clear Graph View
N rt.
.
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