7: Other Worksheets
109
Procedure: Profit Margin Calculations
쐃
Press
&
w
to select the worksheet.
CST
is displayed, along with the previous value.
쐇
If necessary, press
&
z
to clear the worksheet.
쐋
Enter values for two of the three variables; for example,
enter values for
SEL
and
MAR
.
Press
#
or
"
until the variable label you want is displayed,
and then key in a value and press
!
.
쐏
Compute a value for the unknown variable; for example,
compute a value for
CST
.
Press
#
or
"
until the variable label you want is displayed,
and then press
%
.
The calculator computes and displays the value.
Example: Profit Margin Calculations
The selling price of an item is $125. The gross profit margin is
20%. Find the original cost.
Procedure
Keystrokes
Display
Select and clear Profit
Margin worksheet.
&
w
&
z
CST=
0.00
Enter selling price.
#
125
!
SEL=
125.00
Enter profit margin.
#
20
!
MAR=
20.00
Compute cost.
"
"
%
CST=
100.00
The original cost is $100.