Operation Manual

Function Graphing 3-15
8203FUNC.DOC TI-82, Chapter 3, English Bob Fedorisko Revised: 02/09/01 9:06 AM Printed: 02/09/01
12:36 PM Page 15 of 24
Moving from Function to Function
To trace another selected function on the graph, use
or
}
to move the
cursor to that function. 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. The cursor moves to the new function at the same
X
value. The function number in the upper right corner of the display
changes.
Leaving TRACE
To leave
TRACE
:
¦
Select another screen by pressing the appropriate key, such as
p
or
q
.
¦
Press
y
ã
QUIT
ä
to return to the Home screen.
The
TRACE
cursor remains in the same location if you leave
TRACE
and
return, if Smart Graph has not caused the graph to be replotted.
Using TRACE in a Program
On a blank line in the program editor, press
r
. 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 are done tracing functions, press
Í
to resume
program execution.