import QtQuick 2.2

Rectangle {
    width: 360
    height: 360

    MouseArea {
        anchors.fill: parent
        onClicked: {
            Qt.quit();
        }
    }

    Text {
        id: t1
        anchors.centerIn: parent
        text: Number(123.456).toExponential()
    }
    Text {
        id: t2
        anchors.top: t1.bottom
        anchors.horizontalCenter: t1.horizontalCenter
        text: Number(123.456).toExponential(3)
    }
    Text {
        id: t3
        anchors.top: t2.bottom
        anchors.horizontalCenter: t2.horizontalCenter
        text: Number(123.456).toExponential(8)
    }
}