Calculotron v.1.0

by Raymund Macaalay

HTML

Enter Circle Radius : <input id="radiusInput" value=5> 
<button onclick="myFunction()">Submit</button>
<br>
<p id="results"></p>
<p id="results2"></p>

JavaScript

function myFunction() {
    var radiusOut = parseInt(document.getElementById("radiusInput").value);
    var circleArea = 3.14 * (radiusOut * radiusOut)
    var circleCircumference = 2 * 3.14 * radiusOut
    
    document.getElementById("results").innerHTML =  "Area : " + circleArea;
    document.getElementById("results2").innerHTML = "Circumference : " + circleCircumference;
}