CASIO ClassPad 330 and ClassPad Manager Software Version 3.04 
Copyright © 2009 CASIO COMPUTER CO., LTD. All Rights Reserved. 
Using the 3D Graph Application 
 
     
 
 
   
 
 
   
 
a.  Tap m and then D  
b.  Tap in the box following z1 
c.  Input: 1/(x^2+y^2) 
d.  Press E 
e.  Tap % on the toolbar  
f.  Press and drag within the 
graph window 
Graphing in Parametric Form 
a.  Tap in the box following z2 
b.  Tap the   button to change to 
parametric 
c.  Press the k key 
d.  Tap the mth tab and then TRIG 
e.  Input: Xst2=2sin(s)cos(t) 
 Yst2=cos(t) 
 Zst2=t 
f.  Press 
E and then tap %  
Modifying Graphs 
a.  Change Yst2 to cos(t)cos(s) 
b.  Tap % on the toolbar 
c.  Tap r to enlarge the graph 
window 
d.  Press and drag to rotate your graph 
Hot Keys for all graph windows 
•  Tap the + key 
•  Tap the - key 
•  Tap the = key