@@ -0,0 +1,542 @@
+package ru.revdaalex.engineer;%0A%0Aimport ru.revdaalex.calculator.Calculator;%0Aimport ru.revdaalex.calculator.InteractCalc;%0Aimport ru.revdaalex.calculator.interfaces.IO;%0A%0A/**%0A * Created by revdaalex on 26.06.2016.%0A */%0Apublic class EngineerCalc extends InteractCalc %7B%0A    /**%0A     * Main constructor.%0A     *%0A     * @param calculator calculator.%0A     * @param io         io.%0A     */%0A    public EngineerCalc(Calculator calculator, IO io) %7B%0A        super(calculator, io);%0A    %7D%0A%0A    @Override%0A    public void start() %7B%0A        super.start();%0A    %7D%0A%7D%0A

add EngineerCalc.java