Texas Instruments BA II PLUS - Manual (Page 88)

84 Appendix — Reference Information
I/Y =
where: x = i
y = P/Y P C/Y
Gi = 1 + i Q k
where: k =0 for end-of-period payments
k =1 for beginning-of-period payments
where: i
ƒ
0
N = L( PV + FV ) P PMT
where: i =0
where: i
ƒ
0
PMT = L( PV + FV ) P N
where: i =0
where: i
ƒ
0
PV = L( FV + PMT Q N )
where: i =0
100 C Y e
y x 1 +
( )
ln
Ч ( )
1 –
[ ] Ч ⁄ Ч
N
PMT G
i
FV i
Ч
–
Ч
PMT G
i
PV i
Ч
+
Ч
----------------------------------------------
⎝ ⎠
⎛ ⎞
ln
1 i +
( )
ln
---------------------------------------------------------- =
PMT
–i
G
i
----- PV
PV FV +
1 i +
( ) N
1 –
---------------------------- +
×
=
PV
PMT G
i
×
i
------------------------ FV –
1
1 i +
( ) N
-------------------
PMT G
i
×
i
------------------------ –
Ч
=