Sharp EL-9650 - Page 283

273
APPENDIX
3. FV calculation
1 If r ≠ 0, r >-1
FV= –
2 If r = 0
FV = -n × PMT –PV
3 If r ≤ -1
Error
4. PMT calculation
1 If r ≠ 0, r > –1
PMT= –
2 If r = 0
PMT = –
3 If r ≤ -1
Error
5. N calculation
1 If r ≠ 0, r > –1
N = –
2 If r = 0
N = –
3 If r ≤ -1
Error
PV+(1+r×s)× ×PMT
(1+r)
-n
1–(1+r)
-n
r
PV+FV×(1+r)
-n
(1+r×s)×
1–(1+r)
-n
r
PV+FV
n
log
log (1+r)
PV+ ×(1+r×s)×PMT
×(1+r×s)×PMT–FV
1
r
1
r






FV+PV
PMT
EL-9650-Appendix (265-281) 8/3/00, 5:06 PM273