Compute present value from future amount FV, discount rate r and years n using PV = FV / (1+r)^n.
输入未来值 FV、贴现率 r 与年数 n,求现值。
| Item | Formula / Note | Source / Standard |
|---|---|---|
| Lump-sum PV | PV = FV/(1+r)^n | Time Value of Money (TVM) |
| Compounding | EAR = (1+r/m)^m - 1 | Standard compound interest |
| Discounting | r is per-period discount rate | TVM |