Amortization – Texas Instruments TI-84 User Manual
Page 641
Appendix B: Reference Information
638
Amortization
Amortization
Amortization
Amortization
If computing
bal
(),
pmt2
=
npmt
Let
bal
(0) =
RND
(
PV
)
Iterate from
m
= 1 to
pmt2
then:
Balance, principal, and interest are dependent on the values of
PMT
,
PV
,
æ, and
pmt
1 and
pmt
2.
where:
RND
= round the display to the number of decimal
places selected
RND12
= round to 12 decimal places
I
m
RND RND12 –i
bal m
1
–
(
)
×
(
)
[
]
=
bal m
( )
bal m
1
–
(
) I
m
–
RND PMT
(
)
+
=
⎩
⎨
⎧
bal( )
bal pmt2
(
)
=
ΣPrn( )
bal pmt2
(
) bal pmt1
(
)
–
=
ΣInt( )
pmt2
pmt1
–
1
+
(
) RND PMT
(
)
×
ΣPrn( )
–
=