Function

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Syntax

annuityFactor# = fn annuity#( rate, periods )

Description

Returns the annuity factor for the given interest rate and number of periods. The interest rate should be expressed as a fraction of 1; for example, 5.2 percent should be expressed as 0.052.

Notes

fn annuity# uses the following formula:

${\displaystyle annuityFactor\#={\frac {1-(1+rate)^{periods}}{rate}}}$

See Also

compound

Language Reference