Actuary

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Annuity Formula

FV = PMT * [ ( ( 1 + i )N - 1 ) / i ]
Where:

  • FV = future value (maturity value)
  • PMT = payment per period
  • i = interest rate in percent per period
  • N = number of periods

Compound Interest Formula

FV = PV * ( 1 + i )N
Where:

  • PV = present value
  • FV = future value (maturity value)
  • i = interest rate in percent per period
  • N = number of periods

Simple Interest Amortized Loan Formula

PV * ( 1 + i )N = PMT * [ ( 1 + i )N - 1 ] / i
Where:

  • PMT = the payment per period
  • i = interest rate in percent per period
  • PV = loan / mortgage amount
  • N = number of periods


See also