Calculator User Manual
Activities  768
6. In the Y=Editor, press: 
8 Í 
and set the Graph Format variables to:
Axes= ON
Labels= ON
Style= HIDDEN SURFACE
Note:
 Calculating and drawing the graph 
takes about three minutes.
7. Graph the modulus surface.
The 3D graph is used to visually display a 
picture of the roots where the surface 
touches the 
xy plane.
8. Use the Trace tool to explore the function 
values at 
x=1 and y=0. 
9. Use the Trace tool to explore the function 
values at 
x=0 and y=1. 










