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write a programme to solve a formula for compound interest
using html tags. I want to know how a formula containing
degree (raise to the power) can be solved.
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Answer Posted / mangala
<html>
<head>
<script language="JavaScript">
function calculate(formObj)
{
var presentVal = parseFloat(formObj.principalVal.value);
var intRate = parseFloat(formObj.intRate.value)/100.;
var years = parseFloat(formObj.years.value);
var futureVal = presentVal * Math.pow((1.0+intRate),years);
var totalInt = futureVal - presentVal;
futureVal = Math.round(futureVal*100.0)/100.0;
totalInt = Math.round(totalInt*100.0)/100.0;
formObj.futureVal.value = futureVal;
formObj.totalInt.value = totalInt;
return;
}
</script>
</head>
<body>
<h5>Compound Interest Calculator</h5>
<form name="myform">
<pre>
Principal amount : <input type="text"
name="principalVal">
Interest Rate(%) : <input type="text" name="intRate">
Years of Compounding: <input type="text" name="years">
<input type="button" name="calc" value="Calculate"
onclick="calculate(myform)">
</pre>
<hr>
<pre>
Total Interest: <input type="text" name="totalInt">
Future Value: <input type="text" name="futureVal">
<pre>
</form>
</body>
</html>
The raise to the power can be solved using Math.pow method
in javascript.
| Is This Answer Correct ? | 14 Yes | 4 No |
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