Sharp EL-9900 EL-9900C - Page 248
FV calculation, PMT calculation, N calculation
UPC - 074000016880
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Appendix 3. FV calculation 1 If r ≠ 0, r > -1 FV = - PV + (1 + r × s) × 1 (1 + - (1 r r)-n + r)-n × PMT 2 If r = 0 FV = -n × PMT - PV 3 If r ≤ -1 Error 4. PMT calculation 1 If r ≠ 0, r > -1 PMT = - (1 PV + FV × + r × s) × 1 (1 + - (1 r r)-n + r)-n 2 If r = 0 PMT = - PV + n FV 3 If r ≤ -1 Error 5. N calculation 1 If r ≠ 0, r > -1 { } log PV + 1 r × (1 + r × s) × PMT N = - 1 r × (1 + r × s) × PMT - FV log (1 + r) 2 If r = 0 N = - FV + PV PMT 3 If r ≤ -1 Error 238
238
Appendix
3. FV calculation
1
If r
≠
0, r >
-
1
1
–
(1
+
r)
-
n
r
PV
+
(1
+
r
×
s)
×
×
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