JavaScript: Calculator Script - Compound Interest Calculator

Main Calculator Script Compound Interest Calculator

<!-- THREE STEPS TO INSTALL COMPOUND INTEREST:

1.  Copy this part of code inside your HTML HEAD

2.  The onLoad MUST be ADDED to the BODY tag

3.  Put the last coding into the BODY of your HTML document  -->

<HEAD><title>JavaScript, java script, javascripts, script, javascript free code!</title>

<!-- Begin

<!--

var princ;

var ratepc;

var years;

function calcAmt(frm) {

princ = frm.pr.value;

ratepc = frm.rt.value;

years = frm.yr.value;

frm.amt.value = Math.round(princ*(Math.pow((1+ratepc/100),years))*100)/100;

frm.intr.value = Math.round((princ*(Math.pow((1+ratepc/100),years))-princ)*100)/100

}

function checkRate(frm) {

if (ratepc == 0 || ratepc > 30){

window.alert("Make sure that the Interest Rate really is " +   ratepc +"%?")

}

function checkTerm(frm) {

if (years == 0 || years > 30){

window.alert("Make sure that the Term really is " + years + " years?")

}

//  End -->

</script>

</HEAD>

<B><FONT SIZE="5" COLOR="#0000FF">C<FONT SIZE="4">OMPOUND <FONT SIZE="5">I<FONT SIZE="4">NTEREST</FONT></B>

</TD></TR>

<TR><TD ALIGN="RIGHT">Principal</TD><TD>

<TD ROWSPAN="4" ALIGN="CENTER" BGCOLOR="#CBCBCB"><FONT SIZE="1">Months<BR> 1 = .08<BR> 2 = .17<BR> 3 = .25<BR> 4 = .33<BR>  5 = .42<BR> 6 = .50<BR> 7 = .58<BR> 8 = .67<BR> 9 = .75<BR>10 = .83<BR>11 = .92</FONT></TD></TR>

<TR><TD ALIGN="RIGHT">Years</TD><TD>

<TR><TD ALIGN="RIGHT">Amount</TD><TD>

<TR><TD ALIGN="RIGHT">Interest</TD><TD>

<TD>

</TABLE>

</FORM>

</CENTER>

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by <a href="http://script.omduena.com">Your Free JavaScript World</a></font>

</center><p>

Click Here if you need help to install the JavaScript

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