A–56 Tables and Reference Information
826DEC~1.DOC TI-83 international English Bob Fedorisko Revised: 10/26/05 2:20 PM Printed: 10/27/05 3:09
PM Page 56 of 58
If computing bal( ), pmt2 = npmt
Let bal(0) = RND(PV)
Iterate from m = 1 to pmt2
I
I
m
m
=×−
=−−+
−
RND RND i bal m
bal m bal m RND PMT
[( ())]
() ( ) ( )
12 1
1
then:
bal bal pm t() ( )
= 2
Σ Pr n bal pmt bal pmt() ( ) ( )=−21
ΣΣInt pmt pm t RND PMT n() ( ) ( ) ()=−+× −211 Pr
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, æ
ææ
æ, and pmt1 and pmt2.
Financial Formulas (continued)
Amortization
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