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  2. Time value of money - Wikipedia

    en.wikipedia.org/wiki/Time_value_of_money

    The present value formula is the core formula for the time value of money; each of the other formulas is derived from this formula. For example, the annuity formula is the sum of a series of present value calculations. The present value (PV) formula has four variables, each of which can be solved for by numerical methods:

  3. How to calculate the present and future value of annuities - AOL

    www.aol.com/finance/calculate-present-future...

    Therefore, the future value of your annuity due with $1,000 annual payments at a 5 percent interest rate for five years would be about $5,801.91.

  4. Annuity - Wikipedia

    en.wikipedia.org/wiki/Annuity

    An annuity-due with n payments is the sum of one annuity payment now and an ordinary annuity with one payment less, and also equal, with a time shift, to an ordinary annuity. Thus we have: Thus we have:

  5. Actuarial notation - Wikipedia

    en.wikipedia.org/wiki/Actuarial_notation

    Actuarial notation is a shorthand method to allow actuaries to record mathematical formulas that deal with interest rates and life tables.. Traditional notation uses a halo system, where symbols are placed as superscript or subscript before or after the main letter.

  6. What are annuities and how do they work? - AOL

    www.aol.com/finance/annuities-163446674.html

    Frequently asked questions. One of the most significant benefits of an annuity is that it allows you to put money away for retirement. The money grows tax-free, which maximizes the account’s ...

  7. Perpetuity - Wikipedia

    en.wikipedia.org/wiki/Perpetuity

    A perpetuity is an annuity in which the periodic payments begin on a fixed date and continue indefinitely. It is sometimes referred to as a perpetual annuity. Fixed coupon payments on permanently invested (irredeemable) sums of money are prime examples of perpetuities. Scholarships paid perpetually from an endowment fit the definition of ...

  8. Present value - Wikipedia

    en.wikipedia.org/wiki/Present_value

    Again there is a distinction between a perpetuity immediate – when payments received at the end of the period – and a perpetuity due – payment received at the beginning of a period. And similarly to annuity calculations, a perpetuity due and a perpetuity immediate differ by a factor of (+):

  9. Perpetual bond - Wikipedia

    en.wikipedia.org/wiki/Perpetual_bond

    A perpetual bond, also known colloquially as a perpetual or perp, is a bond with no maturity date, [1] therefore allowing it to be treated as equity, not as debt.Issuers pay coupons on perpetual bonds forever, and they do not have to redeem the principal.