Texas Instruments TI-83 PLUS - Manual (Page 734)

TI-83 Plus Tables and Reference Information 731
Amortization
If computing bal (), pmt2 = npmt
Let bal ( 0 ) = RND ( PV )
Iterate from m = 1 to pmt2



+ − − =
− × = −
) ( I ) 1 ( ) (
))] 1 ( ( 12 [ I
m
m
PMT RND m bal m bal
m bal i RND RND
then:
) 2 ( ) ( pmt bal bal
=
) 1 ( ) 2 ( ) ( Pr pmt bal pmt bal n
− =
Σ
) ( Pr ) ( ) 1 1 2 ( ) ( n PMT RND pmt pmt Int
Σ − × + − =
Σ