Texas Instruments BA II Plus, Руководство пользователя

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7: Other Worksheets 111
Procedure: Computing Breakeven
쐃
Press
& r
to select the worksheet.
FC
is displayed, along with the previous value.
쐇
If necessary, press
& z
to clear the worksheet.
쐋
Enter values for four of the five variables; for example, enter
values for
FC
,
VC
,
P
, and
PFT
.
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
Q
.
Press
#
or
"
until the variable label you want is displayed,
and then press
%
.
The calculator computes and displays the value.
Example: Computing Breakeven Quantity
A canoe company sells paddles for $20 each. The unit variable
cost is $15, and the fixed costs are $3,000. How many paddles
must be sold to break even?
Procedure Keystrokes Display
Select and
clear Breakeven worksheet.
& r
& z
FC= 0.00
Enter fixed costs. 3000
!
FC= 3,000.00
€
Enter variable cost per unit.
#
15
!
VC= 15.00
€
Enter price.
#
20
!
P= 20.00
€
Leave profit as is.
#
PFT= 0.00
Compute quantity.
# %
Q= 600.00

600 paddles must be sold to break even.