# Immediate / Ordinary Annuity Interest Rate Calculator

[insert_php]

if(isset(\$_POST[‘submit’])){

\$P = \$_POST[‘value1’];
\$N = \$_POST[‘value2’];
\$I1 = \$_POST[‘value3’];
\$I=\$I1/100;
\$A=(1+\$I);
\$A1=pow(\$A,-\$N);

\$ImmediateAnnuity = \$P*\$I/ ( 1 – \$A1);
//forrmula Immediate Annuity = pi / ( 1 – ( 1 + i )-n )
//p = Sum to invest,
//n = Time period(in years),
//i = Annual rate of return.

echo”Result is : \$ImmediateAnnuity”;
}

[/insert_php]

 Sum to invest(dollars) Time period(years) Annual rate of return(%) Frequency of payment Annually

## Formula of Immediate / Ordinary Annuity Interest Rate Calculator

Immediate Annuity = pi / ( 1 – ( 1 + i )-n )
Where,
p = Sum to invest
i = Annual rate of return
n = Time period(in years)

## Example of of Immediate / Ordinary Annuity Interest Rate Calculator

Suppose that p is 5, i is 8 and n is 3, then

Immediate Annuity = pi / ( 1 – ( 1 + i )-n ) = 5 / (1 – (1 + i) – n) = 1.940 Prof.Fazal Rehman Shamil (Available for Professional Discussions)
1. Message on Facebook page for discussions,