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AJ PHP Software Source Code Financial Library
Percent Interest Rate


number percent_interest_rate ( number, number )

Description:

percent_interest_rate returns the interest rate given interest accrued and the original amount.

Percent Interest Rate = interest accrued / original amount X 100%

Source Code:

function percent_interest_rate ($interest_accrued, $original_amount)
{
  //variable and initializations
  $the_result = 0.0;

  //calculate interest rate
  $the_result = $interest_accrued / $original_amount * 100;

  //return the value
  return $the_result;
}

Example:

<?
include ("ajfinancial.php");

$accrued_amount = 6.00; //6 dollars
$original_amount = 100.00; //100 dollars

$precent_interest_rate = percent_interest_rate($accrued_amount, $original_amount);

echo "accrued amount = $accrued_amount<br>";
echo "original_amount = $original_amount<br>";
echo "precent_interest_rate = $precent_interest_rate<br>";
?>


Run Example


percent interest rate percent interest rate
simple interest simple interest
future worth SPCAF future worth
single payment compound amount factor
SPCAF
present worth SPPWF present worth
sing payment present worth factor
SPPWF

References - Books:
Leland T. Blank and Anthony J. Tarquin.r. 1989. Engineering Economy. McGraw-Hill, Inc.


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