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Savings Estimator

Enter how much you can afford to save each month, how long you can save this amount, and the interest rate you can get on your savings and this script will display your total savings.

Sample:

Modify the table style to fit you website.

Insert this code before </head>

<SCRIPT LANGUAGE="JavaScript">
<!-- Original:  Michael C. Hundt (mchundt@nglic.com) -->
<!-- Web Site:  http://www.cinet.net/~mhundt/mystuff.htm -->



<!-- Begin
var i = 0; // interest
var m = 0; // months
var f = 0; // factor
var den = 0;
var s = "0"; // string
var d = 0; // decimal place
function CalcA() {
if(document.calform.interest.value=="" || document.calform.months.value=="" || document.calform.payment.value=="") {
alert("Please fill in all of the required fields.");
}
else {
if(document.calform.period.options[1].selected == true) {
m = document.calform.months.value * 12;
}
else {
m = document.calform.months.value;
}
i = Math.pow(((document.calform.interest.value/100)+1),.0833333)-1;
den = i / (i+1);
f = Math.pow((i+1),m)-1;
f /= den;
f *= document.calform.payment.value;
d = String(f).indexOf(".");
s = String(f).substring(0,(d+3));
document.calform.total.value = "$" + s;
   }
}
//  End -->
</script>

Insert this code before </body>

<center>
<form method=post name="calform">
<table width=400>
<tr>
<td align=right width=200>Total invested each month:</td>
<td><input type=text name=payment size=13 maxlength=13></td>
</tr>
<tr>
<td align=right width=200>Number of months/years to aquire sum:</td>
<td><input type=text name=months size=3 maxlength=3>
<select name=period size=1>
<option value="m">Months
<option value="y">Years
</select>
</td>
</tr>
<tr>
<td align=right width=200>Interest rate on savings:</td>
<td><input type=text name=interest size=5 maxlength=5><b> %</b></td>
</tr>
<tr>
<td width=200 colspan=2 align=center> <br>
<input type=button name=button1 value="How much will I have?" onClick="javascript:CalcA()"></td>
</tr>
<tr>
<td colspan=2 align=center width=100>Total :
<input type=text name=total value="0.00" size=15 maxlength=15></td>
</tr>
</table>
</form>
</center>

Related Resources:

Total invested each month:
Number of months/years to aquire sum:
Interest rate on savings:	%

Total :