Texas Instruments Calculator - Manual (Page 83)

Other Worksheets 79
Note: This guidebook categorizes calculator variables by their method of
entry.
Gross Profit Margin and Markup
The terms margin and markup often are used interchangeably, but each
has a distinct meaning.
• Gross profit margin is the difference between selling price and cost,
expressed as a percentage of the selling price.
• Markup is the difference between selling price and cost, expressed as
a percentage of the cost.
Clearing Profit Margin Worksheet Variables
• To clear the Profit Margin worksheet variables and reset default
values, press
& z. All Profit Margin worksheet variables
default to zero.
• To reset default values for all calculator variables and formats,
including the Profit Margin worksheet variables, press
& }
!.
Computing Profit Margin
1. To select the Profit Margin worksheet, press & w. The CST value
appears.
2. To enter a value for one of the two known variables, press # or " to
select a variable, then key in a value and press !.
3. Repeat step 2 for the second known variable.
4. To compute a value for the unknown variable, press # or " to select
the variable and press %. The calculator displays the computed
value.
Example: Computing Profit Margin
The selling price of an item is $125. The gross profit margin is 20%. Find
the original cost.
Profit margin # MAR Enter/compute
To Press Display
Select Profit Margin worksheet. &w CST= 0.00
Enter selling price. # 125 ! SEL= 125.00 
Enter profit margin. # 20 ! MAR= 20.00 
Variable Key Display Variable Type