Mine

cmdConvert.onRelease = function():Void {
	if (txtNum.text == "") { txtNum.text = "1" }
	if (txtDen.text == "") { txtDen.text = "1" }
	getDegrees();
}

cmdReset.onRelease = function():Void {
	txtNum.text = ""
	txtDen.text = ""
	angleTopLine_mc._rotation = 0
}

getDegrees = function():Void {
	var dblNum:Number = txtNum.text * 180 * Math.PI;
	var dblDen:Number = txtDen.text * Math.PI;
	var degrees:Number = dblNum / dblDen
	degreeDisplay.text = "Degrees: " + int((degrees)*100)/100;
	angleTopLine_mc._rotation = -degrees
}