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Chapter 4 Graphing
•Pressing d and e moves the pointer along the graph. Holding down either
key moves the pointer at high speed.
3. Use f and c to move the pointer between the two graphs.
4. Use e to move the pointer to the other intersection.
e
~ e
•To quit the trace operation, press 1 (TRCE) again.
uu
uu
uScrolling
When the graph you are tracing runs off the display along either the x- or y-axis,
pressing the e or d cursor key causes the screen to scroll in the corresponding
direction eight dots.
•You can scroll only rectangular coordinate and inequality graphs while tracing.
You cannot scroll parametric function graphs.
•Trace can be used only immediately after a graph is drawn. It cannot be used
after changing the settings of a graph.
•You cannot incorporate trace into a program.
•You can use trace on a graph that was drawn as the result of an output com-
mand (^), which is indicated by the “-Disp-” indicator on the screen.
kk
kk
k Scroll
You can scroll a graph along its x- or y-axis. Each time you press f, c, d, or
e, the graph scrolls 12 dots in the corresponding direction.
kk
kk
k Overwrite
Using the following syntax to input a graph causes multiple versions of the graph to
be drawn using the specified values. All versions of the graph appear on the display
at the same time.
<function with one variable> , ! [ <variable name> ! =
<value> , <value> , .... <value> ! ] w
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