Texas Instruments TI-83 Manual Book page 412

Amortization
A-56 Tables and Reference Information
If computing bal( ), pmt2 = npmt
Let bal(0) = RND(PV)
Iterate from m = 1 to pmt2
I RND RND
m
bal m ( ) bal m
then:
bal ( ) bal pmt (
Pr n ( ) bal pmt
Int ( ) ( pmt
where: RND = round the display to the number of
RND12 = round to 12 decimal places
Balance, principal, and interest are dependent on the
values of ,
PMT PV
[ 12 ( (
i bal m
( 1 ) I RND PMT
m
) 2
( 2 ) bal pmt (
2 pmt 1 1 )
decimal places selected
, æ , and pmt1 and pmt2.
1 ))]
( )
1 )
RND PMT ( ) Pr n ( )