Texas Instruments TI-83 PLUS - Manual (Page 731)

TI-83 Plus Tables and Reference Information 728
Financial Formulas
This section contains financial formulas for computing time value of
money, amortization, cash flow, interest-rate conversions, and days
between dates.
Time Value of Money
[ ]
1 )) 1 ( ln (
− = + ×
x y e i
where: PMT ƒ 0
y = C/Y
÷
P/Y
x = (. 01
×
I% )
÷
C/Y
C/Y = compounding periods per year
P/Y = payment periods per year
I% = interest rate per year
1 ) ( ) 1 (
− ч = ч −
N PV FV i
where: PMT = 0
The iteration used to compute i :
N
N
i
i FV
i
i
G PMT PV
−
−
+ Ч +



 + −
Ч + =
) 1 (
) 1 ( 1
0