Press
fi ed ranges.
If you press the
reduce to the specifi ed ranges. In order to return to the origi-
nal size, press the
To specify the zoom factors within a program
Use the following formal to specify the zoom factors in a
program.
Factor (Xfactor), (Yfactor)
Trace Function
This function allows you to move a point through the graph
and display the x and y coordinates at that point.
Using the Trace function
Example:
Use the trace function along with the xoom function in order
to analize the graph y=x
in order to graph:
Xmin:
Xmax:
Xscl:
button to reduce the graph to the speci-
-4
4
2
button again, the graph will
button.
2
-3. Use the following parameters
Ymin:
Ymax:
Yscl:
-8
8
4