Function Analysis - Casio CFX9850GBPLUS User Manual

5-11 Function Analysis

k Reading Coordinates on a Graph Line
Description
Trace lets you move a pointer along a graph and read out coordinates on the display.
Set Up
1. From the Main Menu, enter the GRAPH mode.
2. Draw the graph.
Execution
3. Press !1 (TRCE), and a pointer appears in the center of the graph.*
4. Use d and e to move the pointer along the graph to the point at which you want to
display the derivative.
When there are multiple graphs on the display, press f and c to move between
them along the
5. You can also move the pointer by pressing v to display the pop-up window, and then
inputting coordinates.
The pop-up window appears even when you input coordinates directly.
To exit a trace operation, press !1 (TRCE).
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* The pointer is not visible on the graph when
it is located at a point outside the graph
display area or when an error of no value
occurs.
5-11-1
Function Analysis
x
-axis of the current pointer location.
20070201
# You can turn off display of the coordinates at the
pointer location by specifying "Off" for the "Coord"
item on the Setup screen.
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