circle solver




JavaScript Source Code 3000: Calculators: Circle Solver





































Circle Solver







Can't remember the formulas for the other two parts of a circle (area, diameter, or circumference) when you only know one? To the rescue is Circle Solver. Enter the circle area, diameter, or circumference and it will solve for the other two! Great!








Area:




Diameter:




Circumference:










JavaScript Source Code 3000: Calculators: Circle Solver
Simply click inside the window below, use your cursor to highlight the script, and copy (type Control-c or Apple-c) the script into a new file in your text editor (such as Note Pad or Simple Text) and save (Control-s or Apple-s). The script is yours!!!





    





<!-- TWO STEPS TO INSTALL CIRCLE SOLVER:

1. Copy the coding into the HEAD of your HTML document
2. Add the last code into the BODY of your HTML document -->

<!-- STEP ONE: Paste this code into the HEAD of your HTML document -->

<HEAD>

<SCRIPT LANGUAGE="JavaScript">
<!-- Original: Chris Brown -->
<!-- Web Site: http://www.geocities.com/BourbonStreet/3843 -->

<! >
<! >

<!-- Begin
function circle(form,changed) {
with (Math) {
var area = form.area.value;
var diameter = form.diameter.value;
var circumference = form.circumference.value;
if (changed == "area") {
var radius = sqrt(area / PI);
diameter = 2 * radius;
circumference = PI * diameter;
}
if (changed == "diameter") {
area = PI * (diameter / 2) * (diameter / 2);
circumference = PI * diameter;
}
if (changed == "circumference") {
diameter = circumference / PI;
area = PI * (diameter / 2) * (diameter / 2);
}
form.area.value = area;
form.diameter.value = diameter;
form.circumference.value = circumference;
}
}
var toDegrees = 360 / (Math.PI * 2);
var toRadians = (Math.PI * 2) / 360;
// End -->
</script>
</HEAD>

<!-- STEP TWO: Copy this code into the BODY of your HTML document -->

<BODY>

<center>
<form method=post>
<table border="5">
<tr>
<td align=center>Area:</td>
<td align=center><input type=text name=area size=6 value=0 onFocus="select()"></td>
<td align=center><input type=button value="Solve Others" onClick="circle(this.form,'area')"></td>
</tr>
<tr>
<td align=center>Diameter:</td>
<td align=center><input type=text name=diameter size=6 value=0 onFocus="select()"></td>
<td align=center><input type=button value="Solve Others" onClick="circle(this.form,'diameter')"></td>
</tr>
<tr>
<td align=center>Circumference:</td>
<td align=center><input type=text name=circumference size=6 value=0 onFocus="select()"></td>
<td align=center><input type=button value="Solve Others" onClick="circle(this.form,'circumference')"></td>
</tr>
</table>
</form>
</center>



<!-- Script Size: 2.12 KB -->









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