Texas Instruments TI-89 Titanium User Manual page 126

Steps and keystrokes
5. Solve for the unknown variable.
To check the solution's accuracy, the left
and right sides of the equation are
evaluated separately. The difference is
shown as left-rt. If the solution is precise,
left-rt=0.
Press „
6. Graph the solution using a
viewing window.
The graph is displayed in a split screen.
You can explore the graph by tracing,
zooming, etc.
The variable marked by the cursor
(unknown variable m1) is on the x axis,
and left-rt is on the y axis.
Press ... 3
7. Return to the
split screen.
You can press ¸ or D to redisplay the
list of variables.
Press 2 a ... 2
Previews
ZoomStd
and exit the
Numeric Solver
Display
marks the calculated
0
values.
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