Texas Instruments BA II PLUS - Manual (Page 89)

Appendix — Reference Information 85
where: i
ƒ
0
FV = L( PV + PMT Q N )
where: i =0
Amortization
If computing bal (), pmt2 = npmt
Let bal (0) = RND ( PV )
Iterate from m = 1 to pmt2
then: bal( ) = bal(pmt2)
G Prn ( ) = bal ( pmt2 ) N bal ( pmt1 )
G Int ( ) =( pmt2 N pmt1 +1) Q RND ( PMT ) N G Prn ( )
where: RND =round the display to the number of decimal
places selected
RND12 =round to 12 decimal places
Balance, principal, and interest are dependent on the values of PMT , PV ,
I/Y , and pmt1 and pmt2 .
Cash Flow
where:
FV
PMT G
i
×
i
------------------------ 1 i +
( ) N
– PV
PMT G
i
×
i
------------------------ +
⎝ ⎠
⎛ ⎞
×
=
I
m
RND RND12 –i bal m 1 –
( ) × ( ) [ ]
=
bal m
( )
bal m 1 –
( ) I
m
– RND PMT
( )
+ = ⎩
⎨
⎧
NPV CF
0
CF
j
1 i +
( )
-S
j
1 – 1 1 i +
( )
-n
j
–
( )
i
----------------------------------
j 1 =
N
∑
+ =
S
j
n
i
i 1 =
j
∑
j 1
≥
0 j 0 =
⎩
⎪
⎨
⎪
⎧
=