Sharp EL-5230 User Manual

• Note that, as the variable R already has a number stored in memory,

the calculator recalls that number.

•

 indicates that there is another variable earlier in the expression.

4.

Press 8 to input the radius.
Input of all variables is now complete.

5.

Press e to obtain the solution.

•

The answer (volume of cone 

) is

displayed on the third line.

6.

Press e and 8 to input the height
for cone 

.

• The display returns to a value entry

screen with ‘8’ substituted for ‘10’ in
variable H.

7.

Press e to confirm the change.

8.

Press 9 to enter the new radius then
press e to solve the equation.

• The volume of cone 

 is now displayed.

• In any step, press @ h to obtain

the solution using the values entered
into the variables at that time.

1ı3πRŒH=

   678.5840132

1ı3πRŒH=

   670.2064328

1ı3πRŒH
 
H=8_

1ı3πRŒH
 
R=z         8.