Annuity factor - Revision history

imported>Doug Williamson: Layout.

2021-10-28T21:42:05Z

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← Older revision		Revision as of 21:42, 28 October 2021
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	1.833 is the Annuity factor for 2 periods, at a rate of 6% per period, as we'll see in ~~the next~~ Example.		1.833 is the Annuity factor for 2 periods, at a rate of 6% per period, as we'll see in Example 2 below.

2021-10-28T21:41:14Z

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← Older revision		Revision as of 21:41, 28 October 2021
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	AF(n,r) = (1 - (1 / (1 + r)<sup>n</sup> ) ) / r		AF(n,r) = (1 - (1 / (1 + r)<sup>n</sup> ) ) / r


	~~== Link with discount factors and perpetuity factors ==~~

	Annuity Factors (AF) can also be considered as a combination of a Discount Factor (DF) and a Perpetuity Factor (AF):		Annuity Factors (AF) can also be considered as a combination of a Discount Factor (DF) and a Perpetuity Factor (AF):

2021-10-28T19:11:17Z

Connect with Discount Factor & Perpetuity Factor.

← Older revision		Revision as of 19:11, 28 October 2021
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	AF(n,r) = (1 - (1 / (1 + r)<sup>n</sup> ) ) / r		AF(n,r) = (1 - (1 / (1 + r)<sup>n</sup> ) ) / r


			== Link with discount factors and perpetuity factors ==

			Annuity Factors (AF) can also be considered as a combination of a Discount Factor (DF) and a Perpetuity Factor (AF):

			AF = (1 - DF) x PF

2021-02-02T22:59:35Z

Add alternative notation.

← Older revision		Revision as of 22:59, 2 February 2021
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	= '''1.833'''		= '''1.833'''


			=== Alternative notation ===

			(1 + r)<sup>-n</sup> can also be written as:

			1 / (1 + r)<sup>n</sup>


			Using this notation, the annuity factor can also be written as:

			AF(n,r) = (1 - (1 / (1 + r)<sup>n</sup> ) ) / r

2018-08-23T11:22:31Z

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2018-08-21T13:19:16Z

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	An annuity factor is a special case of a cumulative discount factor ([[CumDF]]).		An annuity factor is a special case of a cumulative discount factor ([[CumDF]]).


	== See also ==		== See also ==

2017-12-31T09:50:12Z

Update links.

2017-10-03T20:34:14Z

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	For a loan drawn down in full at the start, the equated loan instalment is given by:		For a loan drawn down in full at the start, the equated loan instalment is given by:

	Instalment = Principal/Annuity factor		Instalment = Principal / Annuity factor


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	An annuity factor is a special case of a cumulative discount factor ([[CumDF]]).		An annuity factor is a special case of a cumulative discount factor ([[CumDF]]).


	== See also ==		== See also ==

2017-10-03T20:26:41Z

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2017-10-03T20:26:01Z

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← Older revision		Revision as of 20:26, 3 October 2017
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	1.833 is the Annuity factor for 2 periods, at a rate of 6% per period, as we'll see in the next Example.		1.833 is the Annuity factor for 2 periods, at a rate of 6% per period, as we'll see in the next Example.


	=== Annuity factor calculation ===		=== Annuity factor calculation ===