ICS3U1 Unit 1 Activity 4: Question 3

// This line makes the button, btnCalculate wait for a mouse click
// When the button is clicked, the displayDigits function is called
btnCalculate.addEventListener(MouseEvent.CLICK, displayDigits);

// This line makes the textinput, txtinRadius wait for a mouse click
// When the textinput is clicked, the clearLabels function is called
txtinDigits.addEventListener(MouseEvent.CLICK, clearLabels);

// This is the displayDigits function
// e:MouseEvent is the click event experienced by the button
// void indicates that the function does not return a value
function displayDigits(e:MouseEvent):void
{
    // declare the variables
    var Initial:Number;
    var Hundreds:Number;
    var Tens:Number;
    var Ones:Number;
    var Remainder1:Number;
    var Remainder2:Number;
    var Sum:Number;

    // calculate the debt burden per year
    Initial = Number(txtinDigits.text)
    Remainder1 = Initial % 100
    Hundreds = (Initial - Remainder1) / 100
    Remainder2 = Remainder1 % 10
    Tens = (Remainder1 - Remainder2) / 10
    Ones = Remainder2 / 1
    Sum = Hundreds + Tens + Ones

    // put the values into the labels
    lblSum.text = Sum.toString();
}

// This is the clearLabels function
// e:MouseEvent is the click event experienced by the textinput
// void indicates that the function does not return a value
function clearLabels(e:MouseEvent):void
{
    txtinDigits.text = "";
    lblSum.text = "";
}