Texas TI-86 用户手册

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Chapter 5:  Function Graphing
85
05FUNC.DOC   TI-86, Chap 5, US English   Bob Fedorisko   Revised: 02/13/01 2:22 PM   Printed: 02/13/01 3:01 PM   Page 85 of 14
Displaying a Graph
To display a graph, select 
GRAPH
from the 
GRAPH
 menu. The graph
screen is displayed. If the graph is
newly defined, the busy indicator is
displayed at the top-right corner as
the TI
-86 draws the graph.
♦ 
In 
SeqG
 format, the TI
-86 draws each selected function one by one, in function-name
order (for example, 
y1
 is graphed first, 
y2
 is graphed second, and so on).
♦ 
In 
SimulG
 format, the TI
-86 draws all selected graphs simultaneously.
You can display and explore a graph from a program (Chapter 16). To use graphing commands
on the home screen, select them from the 
CATALOG
 or entering the individual characters.
Pausing or Stopping a Graph in Progress
♦ 
To pause graph plotting, press b. To resume plotting, press b again.
♦ 
To stop graph plotting, press ^. To replot, select 
GRAPH
 from the 
GRAPH
 menu.
Modifying a Drawn Graph
To remove these items from the graph screen:
 Press (or select):
Cursor, coordinate values, or menus (To restore menus, press . or 6)
 :
Free-moving cursor and coordinate values but not the menus
 b
Cursor and coordinate values but not the menus
 6 or 
GRAPH
In the example graph to the
right, all default settings
related to graphing are set.
To view the graph without the
GRAPH
 menu on the bottom
line, press  
:
 after
plotting the graph.
When you pause, the busy
indicator in the top-right
corner becomes a dotted line.