diff --git a/org.eclipse.example.calc.test/org.eclipse.example.calc--All-Tests.launch b/org.eclipse.example.calc.test/org.eclipse.example.calc--All-Tests.launch
deleted file mode 100644
index b2e41f4d..00000000
--- a/org.eclipse.example.calc.test/org.eclipse.example.calc--All-Tests.launch
+++ /dev/null
@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<launchConfiguration type="org.eclipse.jdt.junit.launchconfig">
-<stringAttribute key="bad_container_name" value="org.eclipse.example.calc--All-Tests"/>
-<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
-<listEntry value="/org.eclipse.example.calc.test/tst"/>
-</listAttribute>
-<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
-<listEntry value="2"/>
-</listAttribute>
-<stringAttribute key="org.eclipse.jdt.junit.CONTAINER" value="=org.eclipse.example.calc.test/tst"/>
-<booleanAttribute key="org.eclipse.jdt.junit.KEEPRUNNING_ATTR" value="false"/>
-<stringAttribute key="org.eclipse.jdt.junit.TESTNAME" value=""/>
-<stringAttribute key="org.eclipse.jdt.junit.TEST_KIND" value="org.eclipse.jdt.junit.loader.junit4"/>
-<stringAttribute key="org.eclipse.jdt.launching.MAIN_TYPE" value=""/>
-<stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="org.eclipse.example.calc.test"/>
-<stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-ea"/>
-</launchConfiguration>
diff --git a/org.eclipse.example.calc/.settings/org.eclipse.core.resources.prefs b/org.eclipse.example.calc/.settings/org.eclipse.core.resources.prefs
index bc410ebc..99f26c02 100644
--- a/org.eclipse.example.calc/.settings/org.eclipse.core.resources.prefs
+++ b/org.eclipse.example.calc/.settings/org.eclipse.core.resources.prefs
@@ -1,4 +1,2 @@
-#Mon Mar 21 11:37:12 PDT 2011
 eclipse.preferences.version=1
-encoding//src/org/eclipse/example/calc/internal/operations/Square.java=UTF-8
 encoding/<project>=UTF-8
diff --git a/org.eclipse.example.calc/SwingCalculatorUI.launch b/org.eclipse.example.calc/SwingCalculatorUI.launch
deleted file mode 100644
index 76ff6705..00000000
--- a/org.eclipse.example.calc/SwingCalculatorUI.launch
+++ /dev/null
@@ -1,15 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<launchConfiguration type="org.eclipse.jdt.launching.localJavaApplication">
-<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
-<listEntry value="/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/ui/swing/CalculatorUI.java"/>
-</listAttribute>
-<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
-<listEntry value="1"/>
-</listAttribute>
-<mapAttribute key="org.eclipse.debug.core.preferred_launchers">
-<mapEntry key="[debug]" value="org.eclipse.jdt.launching.localJavaApplication"/>
-<mapEntry key="[run]" value="org.eclipse.jdt.launching.localJavaApplication"/>
-</mapAttribute>
-<stringAttribute key="org.eclipse.jdt.launching.MAIN_TYPE" value="org.eclipse.example.calc.internal.ui.swing.CalculatorUI"/>
-<stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="org.eclipse.example.calc"/>
-</launchConfiguration>
diff --git a/org.eclipse.example.calc/bin/.settings/org.eclipse.core.resources.prefs b/org.eclipse.example.calc/bin/.settings/org.eclipse.core.resources.prefs
new file mode 100644
index 00000000..99f26c02
--- /dev/null
+++ b/org.eclipse.example.calc/bin/.settings/org.eclipse.core.resources.prefs
@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+encoding/<project>=UTF-8
diff --git a/org.eclipse.example.calc.test/.classpath b/org.eclipse.forkexample.calc.test/.classpath
similarity index 94%
rename from org.eclipse.example.calc.test/.classpath
rename to org.eclipse.forkexample.calc.test/.classpath
index 80f7915f..ecdd0301 100644
--- a/org.eclipse.example.calc.test/.classpath
+++ b/org.eclipse.forkexample.calc.test/.classpath
@@ -2,7 +2,7 @@
 <classpath>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="tst"/>
-	<classpathentry combineaccessrules="false" kind="src" path="/org.eclipse.example.calc"/>
+	<classpathentry combineaccessrules="false" kind="src" path="/org.eclipse.forkexample.calc"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
 	<classpathentry kind="output" path="bin"/>
diff --git a/org.eclipse.example.calc.test/.gitignore b/org.eclipse.forkexample.calc.test/.gitignore
similarity index 100%
rename from org.eclipse.example.calc.test/.gitignore
rename to org.eclipse.forkexample.calc.test/.gitignore
diff --git a/org.eclipse.example.calc.test/.project b/org.eclipse.forkexample.calc.test/.project
similarity index 92%
rename from org.eclipse.example.calc.test/.project
rename to org.eclipse.forkexample.calc.test/.project
index a3f0ba92..8c8b4ad6 100644
--- a/org.eclipse.example.calc.test/.project
+++ b/org.eclipse.forkexample.calc.test/.project
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <projectDescription>
-	<name>org.eclipse.example.calc.test</name>
+	<name>org.eclipse.forkexample.calc.test</name>
 	<comment></comment>
 	<projects>
 	</projects>
diff --git a/org.eclipse.example.calc.test/.settings/org.eclipse.core.resources.prefs b/org.eclipse.forkexample.calc.test/.settings/org.eclipse.core.resources.prefs
similarity index 100%
rename from org.eclipse.example.calc.test/.settings/org.eclipse.core.resources.prefs
rename to org.eclipse.forkexample.calc.test/.settings/org.eclipse.core.resources.prefs
diff --git a/org.eclipse.example.calc.test/.settings/org.eclipse.core.runtime.prefs b/org.eclipse.forkexample.calc.test/.settings/org.eclipse.core.runtime.prefs
similarity index 100%
rename from org.eclipse.example.calc.test/.settings/org.eclipse.core.runtime.prefs
rename to org.eclipse.forkexample.calc.test/.settings/org.eclipse.core.runtime.prefs
diff --git a/org.eclipse.example.calc.test/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.forkexample.calc.test/.settings/org.eclipse.jdt.core.prefs
similarity index 100%
rename from org.eclipse.example.calc.test/.settings/org.eclipse.jdt.core.prefs
rename to org.eclipse.forkexample.calc.test/.settings/org.eclipse.jdt.core.prefs
diff --git a/org.eclipse.example.calc.test/META-INF/MANIFEST.MF b/org.eclipse.forkexample.calc.test/META-INF/MANIFEST.MF
similarity index 66%
rename from org.eclipse.example.calc.test/META-INF/MANIFEST.MF
rename to org.eclipse.forkexample.calc.test/META-INF/MANIFEST.MF
index d8b37c78..ec9f17da 100644
--- a/org.eclipse.example.calc.test/META-INF/MANIFEST.MF
+++ b/org.eclipse.forkexample.calc.test/META-INF/MANIFEST.MF
@@ -1,9 +1,9 @@
 Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: Calculator Test
-Bundle-SymbolicName: org.eclipse.example.calc.test
+Bundle-SymbolicName: org.eclipse.forkexample.calc.test
 Bundle-Version: 0.1.0.qualifier
-Fragment-Host: org.eclipse.example.calc;bundle-version="[0.1.0,0.2.0)"
+Fragment-Host: org.eclipse.forkexample.calc;bundle-version="[0.1.0,0.2.0)"
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
 Require-Bundle: org.junit
 Import-Package: org.eclipse.example.calc.internal;version="[0.1.0,0.2.0)"
diff --git a/org.eclipse.example.calc.test/build.properties b/org.eclipse.forkexample.calc.test/build.properties
similarity index 100%
rename from org.eclipse.example.calc.test/build.properties
rename to org.eclipse.forkexample.calc.test/build.properties
diff --git a/org.eclipse.forkexample.calc.test/org.eclipse.example.calc--All-Tests.launch b/org.eclipse.forkexample.calc.test/org.eclipse.example.calc--All-Tests.launch
new file mode 100644
index 00000000..6eef100c
--- /dev/null
+++ b/org.eclipse.forkexample.calc.test/org.eclipse.example.calc--All-Tests.launch
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<launchConfiguration type="org.eclipse.jdt.junit.launchconfig">
+    <stringAttribute key="bad_container_name" value="org.eclipse.example.calc--All-Tests"/>
+    <listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
+        <listEntry value="/org.eclipse.forkexample.calc.test"/>
+    </listAttribute>
+    <listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
+        <listEntry value="4"/>
+    </listAttribute>
+    <stringAttribute key="org.eclipse.jdt.junit.CONTAINER" value="=org.eclipse.example.calc.test/tst"/>
+    <booleanAttribute key="org.eclipse.jdt.junit.KEEPRUNNING_ATTR" value="false"/>
+    <stringAttribute key="org.eclipse.jdt.junit.TESTNAME" value=""/>
+    <stringAttribute key="org.eclipse.jdt.junit.TEST_KIND" value="org.eclipse.jdt.junit.loader.junit4"/>
+    <stringAttribute key="org.eclipse.jdt.launching.MAIN_TYPE" value=""/>
+    <stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="org.eclipse.forkexample.calc.test"/>
+    <stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-ea"/>
+</launchConfiguration>
diff --git a/org.eclipse.example.calc.test/pom.xml b/org.eclipse.forkexample.calc.test/pom.xml
similarity index 97%
rename from org.eclipse.example.calc.test/pom.xml
rename to org.eclipse.forkexample.calc.test/pom.xml
index 22454d24..2c2ed3df 100644
--- a/org.eclipse.example.calc.test/pom.xml
+++ b/org.eclipse.forkexample.calc.test/pom.xml
@@ -24,7 +24,7 @@
   <version>0.1.0-SNAPSHOT</version>
   
   <name>Calculator Test (Incubation)</name>
-
+<!-- Hier soll auch ein Kommentar rein -->
   <build>
     <plugins>
       <plugin>
diff --git a/org.eclipse.example.calc.test/tst/org/eclipse/example/calc/OperationsTest.java b/org.eclipse.forkexample.calc.test/tst/org/eclipse/example/calc/OperationsTest.java
similarity index 97%
rename from org.eclipse.example.calc.test/tst/org/eclipse/example/calc/OperationsTest.java
rename to org.eclipse.forkexample.calc.test/tst/org/eclipse/example/calc/OperationsTest.java
index cbb081af..08327e3b 100644
--- a/org.eclipse.example.calc.test/tst/org/eclipse/example/calc/OperationsTest.java
+++ b/org.eclipse.forkexample.calc.test/tst/org/eclipse/example/calc/OperationsTest.java
@@ -20,6 +20,8 @@
 import org.junit.Before;
 import org.junit.Test;
 
+/** Ich wollte hier mal einen Kommentar reinschreiben **/
+
 public class OperationsTest {
 
 	private Square square;
diff --git a/org.eclipse.example.calc.test/tst/org/eclipse/example/calc/internal/CalculatorTest.java b/org.eclipse.forkexample.calc.test/tst/org/eclipse/example/calc/internal/CalculatorTest.java
similarity index 100%
rename from org.eclipse.example.calc.test/tst/org/eclipse/example/calc/internal/CalculatorTest.java
rename to org.eclipse.forkexample.calc.test/tst/org/eclipse/example/calc/internal/CalculatorTest.java
diff --git a/org.eclipse.example.calc.test/tst/org/eclipse/example/calc/internal/operations/AbstractOperationTest.java b/org.eclipse.forkexample.calc.test/tst/org/eclipse/example/calc/internal/operations/AbstractOperationTest.java
similarity index 100%
rename from org.eclipse.example.calc.test/tst/org/eclipse/example/calc/internal/operations/AbstractOperationTest.java
rename to org.eclipse.forkexample.calc.test/tst/org/eclipse/example/calc/internal/operations/AbstractOperationTest.java
diff --git a/org.eclipse.example.calc.test/tst/org/eclipse/example/calc/internal/operations/EqualsTest.java b/org.eclipse.forkexample.calc.test/tst/org/eclipse/example/calc/internal/operations/EqualsTest.java
similarity index 100%
rename from org.eclipse.example.calc.test/tst/org/eclipse/example/calc/internal/operations/EqualsTest.java
rename to org.eclipse.forkexample.calc.test/tst/org/eclipse/example/calc/internal/operations/EqualsTest.java
diff --git a/org.eclipse.example.calc.test/tst/org/eclipse/example/calc/internal/operations/MinusTest.java b/org.eclipse.forkexample.calc.test/tst/org/eclipse/example/calc/internal/operations/MinusTest.java
similarity index 100%
rename from org.eclipse.example.calc.test/tst/org/eclipse/example/calc/internal/operations/MinusTest.java
rename to org.eclipse.forkexample.calc.test/tst/org/eclipse/example/calc/internal/operations/MinusTest.java
diff --git a/org.eclipse.example.calc.test/tst/org/eclipse/example/calc/internal/operations/PlusTest.java b/org.eclipse.forkexample.calc.test/tst/org/eclipse/example/calc/internal/operations/PlusTest.java
similarity index 100%
rename from org.eclipse.example.calc.test/tst/org/eclipse/example/calc/internal/operations/PlusTest.java
rename to org.eclipse.forkexample.calc.test/tst/org/eclipse/example/calc/internal/operations/PlusTest.java
diff --git a/org.eclipse.example.calc.test/tst/org/eclipse/example/calc/internal/operations/SquareTest.java b/org.eclipse.forkexample.calc.test/tst/org/eclipse/example/calc/internal/operations/SquareTest.java
similarity index 100%
rename from org.eclipse.example.calc.test/tst/org/eclipse/example/calc/internal/operations/SquareTest.java
rename to org.eclipse.forkexample.calc.test/tst/org/eclipse/example/calc/internal/operations/SquareTest.java
diff --git a/org.eclipse.example.calc/.classpath b/org.eclipse.forkexample.calc/.classpath
similarity index 100%
rename from org.eclipse.example.calc/.classpath
rename to org.eclipse.forkexample.calc/.classpath
diff --git a/org.eclipse.example.calc/.gitignore b/org.eclipse.forkexample.calc/.gitignore
similarity index 100%
rename from org.eclipse.example.calc/.gitignore
rename to org.eclipse.forkexample.calc/.gitignore
diff --git a/org.eclipse.example.calc/.project b/org.eclipse.forkexample.calc/.project
similarity index 93%
rename from org.eclipse.example.calc/.project
rename to org.eclipse.forkexample.calc/.project
index 3a1f8080..35cbb425 100644
--- a/org.eclipse.example.calc/.project
+++ b/org.eclipse.forkexample.calc/.project
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <projectDescription>
-	<name>org.eclipse.example.calc</name>
+	<name>org.eclipse.forkexample.calc</name>
 	<comment></comment>
 	<projects>
 	</projects>
diff --git a/org.eclipse.forkexample.calc/.settings/org.eclipse.core.resources.prefs b/org.eclipse.forkexample.calc/.settings/org.eclipse.core.resources.prefs
new file mode 100644
index 00000000..bc410ebc
--- /dev/null
+++ b/org.eclipse.forkexample.calc/.settings/org.eclipse.core.resources.prefs
@@ -0,0 +1,4 @@
+#Mon Mar 21 11:37:12 PDT 2011
+eclipse.preferences.version=1
+encoding//src/org/eclipse/example/calc/internal/operations/Square.java=UTF-8
+encoding/<project>=UTF-8
diff --git a/org.eclipse.example.calc/.settings/org.eclipse.core.runtime.prefs b/org.eclipse.forkexample.calc/.settings/org.eclipse.core.runtime.prefs
similarity index 100%
rename from org.eclipse.example.calc/.settings/org.eclipse.core.runtime.prefs
rename to org.eclipse.forkexample.calc/.settings/org.eclipse.core.runtime.prefs
diff --git a/org.eclipse.example.calc/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.forkexample.calc/.settings/org.eclipse.jdt.core.prefs
similarity index 100%
rename from org.eclipse.example.calc/.settings/org.eclipse.jdt.core.prefs
rename to org.eclipse.forkexample.calc/.settings/org.eclipse.jdt.core.prefs
diff --git a/org.eclipse.example.calc/META-INF/MANIFEST.MF b/org.eclipse.forkexample.calc/META-INF/MANIFEST.MF
similarity index 90%
rename from org.eclipse.example.calc/META-INF/MANIFEST.MF
rename to org.eclipse.forkexample.calc/META-INF/MANIFEST.MF
index 752f68c9..e242bda7 100644
--- a/org.eclipse.example.calc/META-INF/MANIFEST.MF
+++ b/org.eclipse.forkexample.calc/META-INF/MANIFEST.MF
@@ -1,7 +1,7 @@
 Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: Calculator
-Bundle-SymbolicName: org.eclipse.example.calc
+Bundle-SymbolicName: org.eclipse.forkexample.calc
 Bundle-Version: 0.1.0.qualifier
 Bundle-ActivationPolicy: lazy
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
diff --git a/org.eclipse.forkexample.calc/SwingCalculatorUI.launch b/org.eclipse.forkexample.calc/SwingCalculatorUI.launch
new file mode 100644
index 00000000..54162627
--- /dev/null
+++ b/org.eclipse.forkexample.calc/SwingCalculatorUI.launch
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<launchConfiguration type="org.eclipse.jdt.launching.localJavaApplication">
+    <listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
+        <listEntry value="/org.eclipse.forkexample.calc/src/org/eclipse/example/calc/internal/ui/swing/CalculatorUI.java"/>
+    </listAttribute>
+    <listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
+        <listEntry value="1"/>
+    </listAttribute>
+    <mapAttribute key="org.eclipse.debug.core.preferred_launchers">
+        <mapEntry key="[debug]" value="org.eclipse.jdt.launching.localJavaApplication"/>
+        <mapEntry key="[run]" value="org.eclipse.jdt.launching.localJavaApplication"/>
+    </mapAttribute>
+    <stringAttribute key="org.eclipse.jdt.launching.MAIN_TYPE" value="org.eclipse.example.calc.internal.ui.swing.CalculatorUI"/>
+    <stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="org.eclipse.forkexample.calc"/>
+</launchConfiguration>
diff --git a/org.eclipse.example.calc/build.properties b/org.eclipse.forkexample.calc/build.properties
similarity index 100%
rename from org.eclipse.example.calc/build.properties
rename to org.eclipse.forkexample.calc/build.properties
diff --git a/org.eclipse.example.calc/pom.xml b/org.eclipse.forkexample.calc/pom.xml
similarity index 100%
rename from org.eclipse.example.calc/pom.xml
rename to org.eclipse.forkexample.calc/pom.xml
diff --git a/org.eclipse.example.calc/readme.txt b/org.eclipse.forkexample.calc/readme.txt
similarity index 100%
rename from org.eclipse.example.calc/readme.txt
rename to org.eclipse.forkexample.calc/readme.txt
diff --git a/org.eclipse.example.calc/src/org/eclipse/example/calc/BinaryOperation.java b/org.eclipse.forkexample.calc/src/org/eclipse/example/calc/BinaryOperation.java
similarity index 87%
rename from org.eclipse.example.calc/src/org/eclipse/example/calc/BinaryOperation.java
rename to org.eclipse.forkexample.calc/src/org/eclipse/example/calc/BinaryOperation.java
index 5e0348ef..9381a87c 100644
--- a/org.eclipse.example.calc/src/org/eclipse/example/calc/BinaryOperation.java
+++ b/org.eclipse.forkexample.calc/src/org/eclipse/example/calc/BinaryOperation.java
@@ -9,11 +9,13 @@
 package org.eclipse.example.calc;
 
 /**
- * Binary operation interface
+ * Binary operation interface test
  */
 public interface BinaryOperation extends Operation {
-	/**
-	 * @param arg1 first parameter
+	/** 
+	 * 
+	 * BinaryOperation
+	 * @param arg1 first parameter 
 	 * @param arg2 second parameter
 	 * @return result of binary operation
 	 */
diff --git a/org.eclipse.example.calc/src/org/eclipse/example/calc/Operation.java b/org.eclipse.forkexample.calc/src/org/eclipse/example/calc/Operation.java
similarity index 100%
rename from org.eclipse.example.calc/src/org/eclipse/example/calc/Operation.java
rename to org.eclipse.forkexample.calc/src/org/eclipse/example/calc/Operation.java
diff --git a/org.eclipse.example.calc/src/org/eclipse/example/calc/Operations.java b/org.eclipse.forkexample.calc/src/org/eclipse/example/calc/Operations.java
similarity index 100%
rename from org.eclipse.example.calc/src/org/eclipse/example/calc/Operations.java
rename to org.eclipse.forkexample.calc/src/org/eclipse/example/calc/Operations.java
diff --git a/org.eclipse.example.calc/src/org/eclipse/example/calc/UnaryOperation.java b/org.eclipse.forkexample.calc/src/org/eclipse/example/calc/UnaryOperation.java
similarity index 100%
rename from org.eclipse.example.calc/src/org/eclipse/example/calc/UnaryOperation.java
rename to org.eclipse.forkexample.calc/src/org/eclipse/example/calc/UnaryOperation.java
diff --git a/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/Calculator.java b/org.eclipse.forkexample.calc/src/org/eclipse/example/calc/internal/Calculator.java
similarity index 97%
rename from org.eclipse.example.calc/src/org/eclipse/example/calc/internal/Calculator.java
rename to org.eclipse.forkexample.calc/src/org/eclipse/example/calc/internal/Calculator.java
index fe825b0b..2705cef1 100644
--- a/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/Calculator.java
+++ b/org.eclipse.forkexample.calc/src/org/eclipse/example/calc/internal/Calculator.java
@@ -36,10 +36,13 @@ public Calculator(TextProvider textProvider) {
 	}
 
 	private void setupDefaultOperations() {
+		// more operations to come
 		new Equals();
 		new Minus();
 		new Plus();
 		new Square();
+		// TODO: add some more
+		// commit and push
 	}
 
 	private void calculate(String cmdName) {
diff --git a/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/TextProvider.java b/org.eclipse.forkexample.calc/src/org/eclipse/example/calc/internal/TextProvider.java
similarity index 100%
rename from org.eclipse.example.calc/src/org/eclipse/example/calc/internal/TextProvider.java
rename to org.eclipse.forkexample.calc/src/org/eclipse/example/calc/internal/TextProvider.java
diff --git a/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/operations/AbstractOperation.java b/org.eclipse.forkexample.calc/src/org/eclipse/example/calc/internal/operations/AbstractOperation.java
similarity index 100%
rename from org.eclipse.example.calc/src/org/eclipse/example/calc/internal/operations/AbstractOperation.java
rename to org.eclipse.forkexample.calc/src/org/eclipse/example/calc/internal/operations/AbstractOperation.java
diff --git a/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/operations/Equals.java b/org.eclipse.forkexample.calc/src/org/eclipse/example/calc/internal/operations/Equals.java
similarity index 100%
rename from org.eclipse.example.calc/src/org/eclipse/example/calc/internal/operations/Equals.java
rename to org.eclipse.forkexample.calc/src/org/eclipse/example/calc/internal/operations/Equals.java
diff --git a/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/operations/Minus.java b/org.eclipse.forkexample.calc/src/org/eclipse/example/calc/internal/operations/Minus.java
similarity index 100%
rename from org.eclipse.example.calc/src/org/eclipse/example/calc/internal/operations/Minus.java
rename to org.eclipse.forkexample.calc/src/org/eclipse/example/calc/internal/operations/Minus.java
diff --git a/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/operations/Plus.java b/org.eclipse.forkexample.calc/src/org/eclipse/example/calc/internal/operations/Plus.java
similarity index 100%
rename from org.eclipse.example.calc/src/org/eclipse/example/calc/internal/operations/Plus.java
rename to org.eclipse.forkexample.calc/src/org/eclipse/example/calc/internal/operations/Plus.java
diff --git a/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/operations/Square.java b/org.eclipse.forkexample.calc/src/org/eclipse/example/calc/internal/operations/Square.java
similarity index 100%
rename from org.eclipse.example.calc/src/org/eclipse/example/calc/internal/operations/Square.java
rename to org.eclipse.forkexample.calc/src/org/eclipse/example/calc/internal/operations/Square.java
diff --git a/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/ui/swing/CalculatorUI.java b/org.eclipse.forkexample.calc/src/org/eclipse/example/calc/internal/ui/swing/CalculatorUI.java
similarity index 99%
rename from org.eclipse.example.calc/src/org/eclipse/example/calc/internal/ui/swing/CalculatorUI.java
rename to org.eclipse.forkexample.calc/src/org/eclipse/example/calc/internal/ui/swing/CalculatorUI.java
index 128a27f9..6d112b38 100644
--- a/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/ui/swing/CalculatorUI.java
+++ b/org.eclipse.forkexample.calc/src/org/eclipse/example/calc/internal/ui/swing/CalculatorUI.java
@@ -34,7 +34,7 @@ public class CalculatorUI extends JFrame implements TextProvider,
 	private static final long serialVersionUID = 1L;
 
 	private Calculator calculator;
-
+// test
 	private JTextField display;
 
 	private JPanel buttonsPanel;