# How To Calculate/Find Fixed Tax Deferred Annuity Payment – A Calculator with example and formula

[insert_php]

if(isset($_POST[‘submit’]))

{

$n=$_POST[‘value1’];//years

$i=$_POST[‘value2’];//rate

$a=$_POST[‘value3’];//Amount

$submit=$_POST[‘submit’];//submit

$A5=$i/100;

$A6=(1+$A5);

$A7=pow($A6,$n);

$DA=$a*$A7;

//DA = ai ( 1 + i )n

echo “$DA”;

}[/insert_php]

[insert_php]

if(isset($_POST[‘submit’]))

{

$n=$_POST[‘value1’];//years

$i=$_POST[‘value2’];//rate

$a=$_POST[‘value3’];//Amount

$submit=$_POST[‘submit’];//submit

$A5=$i/100;

$A6=(1+$A5);

$A7=pow($A6,$n);

$A8=$A7-1;

$DA=($a*$A8)/$A5;

//DA = { a ( ( 1 + i )n-1)} / i

echo “$DA”;

}[/insert_php]

## Formula of Fixed Tax Deferred Annuity Payment calculation

If investment is made at the beginning

Future value of DA = ai ( 1 + i )n

If investment is through period of payments,

Future value of DA = { a ( ( 1 + i )n-1)} / i

Where,

n = Time period

vi = Expected rate of return

va = Amount

DA = Deferred Annunity

Example of Fixed Tax Deferred Annuity Payment

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