JavaScript: Calculator Script - Income Calculator 1

Main Calculator Script Income Calculator 2

<!-- TWO STEPS TO INSTALL SALARY CALCULATOR:

1.  Copy this part of code inside your HTML HEAD

2.  Add the last code into the BODY of your HTML document  -->

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

<!-- Begin

function hourToYear(numHour){

if(!numHour) {

alert("Please enter an hourly amount.");

return;

}

if(isNaN(numHour)){

alert(numHour + " is an invalid input. Please try again.");

return;

}

perWeek = numHour * 40

perMonth = perWeek * 4

perYear = perMonth * 12

salaryForm.answerHour.value="$" + toCurrency(numHour.toString());

salaryForm.answerWeek.value="$" + toCurrency(perWeek.toString());

salaryForm.answerMonth.value="$" + toCurrency(perMonth.toString());

salaryForm.answerYear.value="$" + toCurrency(perYear.toString());

}

function yearToHour(numYear){

if(!numYear) {

alert("Please enter a yearly amount.");

return;

}

if(isNaN(numYear)){

alert(numYear + " is an invalid input. Please try again.");

return;

}

perMonth = numYear / 12

perWeek  = perMonth / 4

perHour  = perWeek / 40

salaryForm.answerYear.value="$" + toCurrency(numYear.toString());

salaryForm.answerMonth.value="$" + toCurrency(perMonth.toString());

salaryForm.answerWeek.value="$" + toCurrency(perWeek.toString());

salaryForm.answerHour.value="$" + toCurrency(perHour.toString());

}

function toCurrency(num) {

num = Math.round(num*100)/100

return num.toString();

}

//  End -->

</script>

</HEAD>

<BODY>

<table>

<tr><td>Enter the <b>hourly</b> amount here:</td>

<td><input name="ComputeHour" value="Compute" type="BUTTON"

Onclick = "hourToYear(salaryForm.numHour.value)"><td>

</tr>

<tr>

</tr>

<tr><td>Enter the <b>yearly</b> amount here:</td>

<td><input name="ComputeYear" value="Compute" type="BUTTON"

Onclick = "yearToHour(salaryForm.numYear.value)"></td>

</tr>

<tr><td>Yearly:</td><td><input name="answerYear" type="INT" value="0"></td></tr>

<tr><td>Monthly:</td><td><input name="answerMonth" type="INT" value="0"></td></tr>

<tr><td>Weekly:</td><td><input name="answerWeek" type="INT" value="0"></td></tr>

<tr><td>Hourly:</td><td><input name="answerHour" type="INT" value="0"></td></tr>

</table>

</form>

<font face="arial, helvetica" size"-2">Free JavaScripts provided<br>

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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