Texas Instruments TI-80 Calculator User Manual


 
4-14 Function Graphing
To trace another selected function on the graph, press
8
or
7
to move the cursor to that function. The cursor moves to the
new function at the same
X
value. The function number in the
upper right corner of the display changes.
The cursor movement is based on the order of the selected
functions in the
Y=
list, not the appearance of the functions as
graphed on the screen.
To leave
TRACE
:
¦
Select another screen by pressing the appropriate key,
such as
)
or
*
.
¦
Press
,
or
M
to see the graph without the Trace
cursor.
¦
Press
2
.
to return to the Home screen.
The Trace
cursor remains in the same location if you leave
TRACE
and return, as long as Smart Graph has not caused the
graph to be replotted.
On a blank line in the program editor, press
+
. The
instruction
Trace
is copied to the cursor location. When the
instruction is encountered during program execution, the
graph is displayed with the Trace cursor on the first selected
function. As you trace, the cursor coordinate values are
updated. When you finish tracing the function(s), press
¸
to resume program execution.
Moving from
Function to
Function
Leaving TRACE
Using TRACE in
a Program