Casio CFX9850GBPLUS User Manual page 253

k Freehand Drawing
Description
You can use the pen option for freehand drawing in a graph.
Set Up
1. Draw the graph.
Execution
2. Press !4 (SKTCH)6 (g )6 (g )1 (PEN), and a pointer appears in the center of
the screen.
3. Use the cursor keys to move the pointer to the point from which you want to start
drawing, and then press w .
4. Use the cursor keys to move the pointer. A line is drawn wherever you move the pointer.
To stop the line, press w .
Repeat step 3 and 4 to draw other lines.
5-10-5
Changing the Appearance of a Graph
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