Texas Instruments TI-89 사용자 설명서

다운로드
페이지 1008
Numeric Solver
 676
see how many solutions exist and use the cursor to select an accurate initial guess and 
bounds.
Displaying the Graph
Displaying the Graph
Displaying the Graph
Displaying the Graph
In the Numeric Solver, leave the cursor on the 
unknown variable. Press 
… and select:
1:Graph View
– or –
3:ZoomStd
– or –
4:ZoomFit
The graph is shown in a split screen, where:
The unknown variable is plotted on the x 
axis.
left
N
rt
 is plotted on the y axis.
Solutions for the equation exist at 
left
N
rt=0
where the graph crosses the x axis.
Note:
 For more information, refer to the Split 
Screens module.
Graph View uses the 
current Window 
variable values.
For information about 
ZoomStd and 
ZoomFit, refer to 
Basic Function 
Graphing
.
The current graph 
format settings are 
used.