Sharp EL-9900 Operation Manual page 248

Appendix
3. FV calculation
1 If r ≠ 0, r >
-
1
+
PV
–
FV =
2 If r = 0
×
-
FV = n PMT
3 If r ≤
-
1
Error
4. PMT calculation
1 If r ≠ 0, r >
-
1
–
PMT =
(1
2 If r = 0
PV
–
PMT =
3 If r ≤
-
1
Error
5. N calculation
1 If r ≠ 0, r >
-
1
PV
{
log
–
N =
2 If r = 0
+
FV PV
–
N =
PMT
3 If r ≤
-
1
Error
238
– +
1 (1
× ×
+
(1 r s)
r
-
+ n
(1 r)
–
PV
×
-
+ + n
PV FV (1 r)
-
– + n
1 (1 r)
× ×
+
r s)
r
+
FV
n
1
× × ×
+ +
(1 r s)
r
1
× × ×
+
(1 r s) PMT
r
+
log (1 r)
-
n
r)
×
PMT
PMT
}
–
FV