Enter the functions into f1(x).
Hit  to activate the graph.
If you need to edit your f1(x) entry,
click on the f1 label in the graph area
to re-open f1(x).
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A "spider" will appear on the graph.
Use the Touchpad arrows to move right, , or left,  , along the function.
Values such as y-intercept, x-intercept, zero, maximum and minimum of the graph will automatically appear when encountered by the "spider".
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To permanently label a point
with its coordinates on the graph,
press  or .
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 To find a specific value while tracing:
To "jump" to a certain x-coordinate on the screen,
start a "Trace" ( , 5, 1).
Now, simply type the x-coordinate that you desire on the calculator pad. Let's hit the key for "5".
x = 5 will appear on the screen.
Now, hit
.
The "spider" will jump to the new point, and
the coordinates will appear in the lower right corner of the graph screen.
If you choose a value out of the current viewing window, the graph will adjust to include your new point. |
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When using "Trace" with more than one function on the screen,
use the Touchpad arrows, up,  , and down,  ,
to move between the graphs.
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