Texas Instruments TI-84 PLUS - Graphing Calculator Manual Book page 395

The iteration used to compute
×
0 = PV + PMT
× ⁄
I% = 100 C Y
where: =
x i
÷
=
y
P/Y C/Y
×
G = 1 + i k
i
where: k = 0 for end-of-period payments
k = 1 for beginning-of-period payments
×
PMT G
⎛
i
----------------------------------------------
ln
⎝
×
PMT G
i
N = --------------------------------------------------------- -
(
ln 1 +
where:
ƒ 0
i
– PV
( )
N = + FV
where: 0
i =
– i
×
-----
PMT = PV
G
i
where: ƒ 0
i
– PV
(
PMT = + FV
where:
0
i =
×
PMT G
PV = ------------------------ FV
i
where: ƒ 0
i
– FV
(
PV = + PMT
where: 0
i =
×
PMT G
i
FV = ------------------------
i
:
i
– N
( )
1 – 1 + i
------------------------------
G + FV
i
i
( × ( ) )
y ln x + 1
× [ ]
e – 1
×
– FV i
⎞
⎠
×
+ PV i
)
i
÷
PMT
PV + FV
+ --------------------------- -
N
( )
1 + i – 1
) ÷
N
PMT
1
i
×
– ------------------ - – ------------------------
N
( )
1 + i
× )
N
PMT
⎛
N
( ) ×
– 1 + i PV + ------------------------
⎝
– N
× ( )
1 + i
×
G
i
i
×
G
⎞
i
⎠
i
Appendix B: Reference Information 388