diff -r d3cbe257c4e9 -r 7271b051b13c javaquery/demo-calculator-dynamic/src/main/java/org/apidesign/bck2brwsr/demo/calc/HistoryImpl.java
--- a/javaquery/demo-calculator-dynamic/src/main/java/org/apidesign/bck2brwsr/demo/calc/HistoryImpl.java	Mon Jun 09 09:39:59 2014 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,43 +0,0 @@
-/**
- * Back 2 Browser Bytecode Translator
- * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. Look for COPYING file in the top folder.
- * If not, see http://opensource.org/licenses/GPL-2.0.
- */
-package org.apidesign.bck2brwsr.demo.calc;
-
-import org.apidesign.bck2brwsr.htmlpage.api.ComputedProperty;
-import org.apidesign.bck2brwsr.htmlpage.api.Model;
-import org.apidesign.bck2brwsr.htmlpage.api.OnFunction;
-import org.apidesign.bck2brwsr.htmlpage.api.Property;
-
-/**
- *
- * @author Jaroslav Tulach <jtulach@netbeans.org>
- */
-@Model(className = "History", properties = {
-    @Property(name = "value", type = double.class),
-    @Property(name = "operation", type = String.class)
-})
-public class HistoryImpl {
-    @ComputedProperty
-    static String resultOf(String operation) {
-        return "result of " + operation;
-    }
-    
-    @OnFunction
-    static void twice(History data) {
-        data.setValue(2.0 * data.getValue());
-    }
-}