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  2. Amortization calculator - Wikipedia

    en.wikipedia.org/wiki/Amortization_calculator

    An amortization calculator is used to determine the periodic payment amount due on a loan (typically a mortgage), based on the amortization process.. The amortization repayment model factors varying amounts of both interest and principal into every installment, though the total amount of each payment is the same.

  3. Mortgage calculator - Wikipedia

    en.wikipedia.org/wiki/Mortgage_calculator

    Since the quoted yearly percentage rate is not a compounded rate, the monthly percentage rate is simply the yearly percentage rate divided by 12. For example, if the yearly percentage rate was 6% (i.e. 0.06), then r would be / or 0.5% (i.e. 0.005). N - the number of monthly payments, called the loan's term, and

  4. Fisher equation - Wikipedia

    en.wikipedia.org/wiki/Fisher_equation

    The Fisher equation plays a key role in the Fisher hypothesis, which asserts that the real interest rate is unaffected by monetary policy and hence unaffected by the expected inflation rate. With a fixed real interest rate, a given percent change in the expected inflation rate will, according to the equation, necessarily be met with an equal ...

  5. Modified internal rate of return - Wikipedia

    en.wikipedia.org/wiki/Modified_internal_rate_of...

    To calculate the MIRR, we will assume a finance rate of 10% and a reinvestment rate of 12%. First, we calculate the present value of the negative cash flows (discounted at the finance rate): P V ( negative cash flows, finance rate ) = − 1000 + − 4000 ( 1 + 10 % ) 1 = − 4636.36 {\displaystyle PV({\text{negative cash flows, finance rate ...

  6. Rule of 72 - Wikipedia

    en.wikipedia.org/wiki/Rule_of_72

    In finance, the rule of 72, the rule of 70 [1] and the rule of 69.3 are methods for estimating an investment's doubling time. The rule number (e.g., 72) is divided by the interest percentage per period (usually years) to obtain the approximate number of periods required for doubling.

  7. Weighted-average life - Wikipedia

    en.wikipedia.org/wiki/Weighted-Average_Life

    For a coupon of 0%, where the principal amortizes linearly, the WAL is exactly half the tenor plus half a payment period, because principal is repaid in arrears (at the end of the period). So for a 30-year 0% loan, paying monthly, the WAL is 15 + 1 / 24 ≈ 15.04 {\displaystyle 15+1/24\approx 15.04} years.

  8. Annual percentage rate - Wikipedia

    en.wikipedia.org/wiki/Annual_percentage_rate

    The term annual percentage rate of charge (APR), [1] [2] corresponding sometimes to a nominal APR and sometimes to an effective APR (EAPR), [3] is the interest rate for a whole year (annualized), rather than just a monthly fee/rate, as applied on a loan, mortgage loan, credit card, [4] etc. It is a finance charge expressed as an annual rate.

  9. Financial calculator - Wikipedia

    en.wikipedia.org/wiki/Financial_calculator

    Backside of the above HP-12C with some use cases with the respective keys to be pressed for frequent tasks from the field of finance. A financial calculator or business calculator is an electronic calculator that performs financial functions commonly needed in business and commerce communities [1] (simple interest, compound interest, cash flow ...