Calculator User Manual
3D Graphing  376
Exploring the Graph
Exploring the GraphExploring the Graph
Exploring the Graph
From the Graph screen, you can:
• Trace the equation.
•Use the „ 
Zoom toolbar menu to zoom in or out on a portion of the graph. Some of 
the menu items are dimmed because they are not available for 3D graphs.
•Use the ‡ 
Math toolbar menu to evaluate the equation at a specified point. Only 
1:Value is available for 3D graphs.
You can also evaluate 
z(x,y) while tracing. Type the x value and press ¸; then type 
the y value and press ¸.
5. Change the graph format if necessary.
ƒ
9
– or -
8 Í
Note: To help you see the orientation of 
3D graphs, turn on 
Axes and Labels.
6. Graph the selected equations 
(8%).
Note: Before displaying the graph, the 
screen shows the “percent evaluated.”










