[spinnerd]

I have this loan calculator that calculates according to the number of years, but I need it to calculate in months. now I know it's probebly someting stupid that I missed here, can someone help. script is below

------------------------

PHP Code:

<form method=GET action=<?php echo $_SERVER["PHP_SELF"] ."#mortgage" ?>>

    

    

  <br>

    Amount ( R ): 

    <input  size=15 name="loan_amount" type="text" >

  <br>

  <br>

    Interest Rate : <input  size=15 name="interest"   type="text" >

  <br>

  <br>

    Years to Pay :  

    <input  size=15 name="years"   type="text" >

    <br>    

    

    

  <?



if (isset($_GET['calculate']) && (floatval($loan_amount) != 0) && (floatval($interest) != 0) && (floatval($years) != 0)   )



{



$pow = pow((1 + ($interest / 1200)), ($years * 12)); 



$payment = ($loan_amount * $pow) * ($interest / 1200) / ($pow - 1)  ;

echo "<br>";

echo "Monthly Payment = R";

echo round($payment);

echo "<br>";



}



?><br><center><input  name="calculate" value=Calculate type="submit">

    <input type="reset" name="Reset" value="Reset">

  </center></form>

--------------------------------------

[UnrealEd]

Originally Posted by spinnerd

I have this loan calculator that calculates according to the number of years, but I need it to calculate in months. now I know it's probebly someting stupid that I missed here, can someone help. script is below

what do you mean exactly? atm you're calculating everything in months ($year * 12 = $months)? or do you want the user to enter the number of months? if so, simply rename year to month (both the inputfield and the variable), and don't multiply it with 12

UnrealEd

[UnrealEd]

in reply to your pm:

Originally Posted by spinnerd

Thanx for the help. Yes the user must enter the amount of months. You also said I should not multiply it with 12 , what should I change this value to?

Thanx again for your help.

this is how your code could look like:

PHP Code:

<form method=GET action=<?php echo $_SERVER["PHP_SELF"] ."#mortgage" ?>>

    

    

  <br>

    Amount ( R ): 

    <input  size=15 name="loan_amount" type="text" >

  <br>

  <br>

    Interest Rate : <input  size=15 name="interest"   type="text" >

  <br>

  <br>

    Years to Pay :  

    <input  size=15 name="months"   type="text" >

    <br>    

    

    

  <?



if (isset($_GET['calculate']) && (floatval($loan_amount) != 0) && (floatval($interest) != 0) && (floatval($months) != 0)   )



{



$pow = pow((1 + ($interest / 1200)), $months); 



$payment = ($loan_amount * $pow) * ($interest / 1200) / ($pow - 1)  ;

echo "<br>";

echo "Monthly Payment = R";

echo round($payment);

echo "<br>";



}



?><br><center><input  name="calculate" value=Calculate type="submit">

    <input type="reset" name="Reset" value="Reset">

  </center></form>

Greetz,
UnrealEd

[spinnerd]

Thank you once again, appreciate the help.