Texas Instruments TI-84 PLUS SILV Guidebook - Page 395
Appendix B: Reference Information, The iteration used to compute, where, for end-of-period payments
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The iteration used to compute i: 0 = PV + PMT × Gi 1 1----+-----i--)------N-i + FV × (1 + i)-N I% = 100 × C ⁄ Y × [e(y × ln(x + 1)) - 1] where: x = i y = P/Y ÷ C/Y Gi = 1 + i × k where: k = 0 for end-of-period payments k = 1 for beginning-of-period payments N = -l--n---⎝⎛---P-P-------M-M----------T-T-l---n 1--G-G------+---ii-----+---i----)----FP--------VV ii--⎠⎞where: i ƒ 0 N = -(PV + FV) ÷ PMT where: i = 0 PMT = -----i- × PV + ----P----V-----+-----F----V----- Gi (1 + i)N - 1 where: i ƒ 0 PMT = -(PV + FV) ÷ N where: i = 0 PV = -P----M-----T-----×----G-----i - FV 1 P----M-----T-----×-----G----i i (1 + i)N i where: i ƒ 0 PV = -(FV + PMT × N) where: i = 0 FV = -P----M-----T-----×-----G----i i - (1 + i)N × ⎝⎛PV + -P----M-----T--i---×-----G----i⎠⎞ Appendix B: Reference Information 388