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Present Value of a Lump Sum

Present Value
PV = FV / (1 + r/n)^(n*t)

Future Value of a Lump Sum

Future Value
FV = PV × (1 + r/n)^(n*t)

Annuity — Present & Future Value

Annuity Results
PV = PMT × [1 - (1+i)^-n] / i  |  FV = PMT × [(1+i)^n - 1] / i