Sharp EL-9900 User Manual
Page 248
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238
Appendix
3. FV calculation
1 If r
≠ 0, r >
-
1
1
–
(1
+
r)
-
n
r
PV
+
(1
+
r
×
s)
Ч
Ч
PMT
(1
+
r)
-
n
FV =
–
2 If r = 0
FV =
-
n
×
PMT
–
PV
3 If r
≤
-
1
Error
4. PMT calculation
1 If r
≠ 0, r >
-
1
1
–
(1
+
r)
-
n
r
PMT =
–
(1
+
r
×
s)
×
PV
+
FV
×
(1
+
r)
-
n
2 If r = 0
PMT =
–
PV
+
FV
n
3 If r
≤
-
1
Error
5. N calculation
1 If r
≠ 0, r >
-
1
log (1
+
r)
log
N =
–
1
r
×
(1
+
r
×
s)
×
PMT
–
FV
1
r
×
(1
+
r
×
s)
×
PMT
PV
+
{
}
2 If r = 0
N =
–
FV
+
PV
PMT
3 If r
≤
-
1
Error
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