Texas Instruments BA II PLUS User Manual page 96

where: =old value
OLD
=new value
NEW
%CH =percent change
=number of periods
#PD
Profit Margin
Gross Profit Margin
Breakeven
N (
=
PFT P Q FC
where: =profit
PFT
=price
P
=fixed cost
FC
VC =variable cost
=quantity
Q
Days between Dates
With the Date worksheet, you can enter or compute a date within the
range January 1, 1950, through December 31, 2049.
Actual/actual day-count method
Note: The method assumes the actual number of days per month and
per year.
(days between dates) =
DBD
Number of Days I
+ ( number of days MB to M1
+ DT1
(
Y1 YB –
------------------------
+
4
Number of Days II
+ (
number of days MB to M2
+
DT2
(
Y2 YB –
------------------------
+
4
92
Selling Price Cost
-----------------------------------------------
=
Selling Price
+ )
VC Q
number of days II
1 - ) Q 365
= (
Y YB
)
)
2 - ) Q 365
=(
Y YB
)
)
–
×
100
-
number of days I
Appendix — Reference Information