CASIO ClassPad 330 and ClassPad Manager Software Version 3.04 
Copyright © 2009 CASIO COMPUTER CO., LTD. All Rights Reserved. 
Using the NumSolve Application 
 
   
 
 
   
 
 
   
a.  Tap m and then N  
b.  Tap in the box below Equation: 
c.  Press the k key 
d.  Tap mth and then VAR 
e.  Input the equation: 9/5c + 32 = f 
f.  Press E 
 
Solve for c when  f = 50
o 
a.  Input 50 for f   
b.  Make sure c’s radio button is 
selected 
c.  Tap 1 on the toolbar 
d.  Tap OK to the dialog that opens 
 
a.  Input 50 for c   
b.  Make sure f’s radio button is 
selected 
c.  Tap 1 on the toolbar 
d.  Tap OK to the dialog that opens