diff --git a/calculatorpp/AndroidManifest.xml b/calculatorpp/AndroidManifest.xml
index fc616771..1628f7dc 100644
--- a/calculatorpp/AndroidManifest.xml
+++ b/calculatorpp/AndroidManifest.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android" android:installLocation="auto" android:versionCode="79" android:versionName="1.3.0" package="org.solovyev.android.calculator">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android" android:installLocation="auto" android:versionCode="79" android:versionName="1.2.34" package="org.solovyev.android.calculator">
 
 	<uses-permission android:name="android.permission.VIBRATE"/>
 	<uses-permission android:name="android.permission.INTERNET"/>
@@ -8,7 +8,7 @@
 
 	<uses-sdk android:minSdkVersion="4" android:targetSdkVersion="8"/>
 
-	<application android:hardwareAccelerated="false" android:icon="@drawable/icon" android:label="@string/c_app_name" android:name=".CalculatorApplication">
+	<application android:debuggable="true" android:hardwareAccelerated="false" android:icon="@drawable/icon" android:label="@string/c_app_name" android:name=".CalculatorApplication">
 
 		<activity android:label="@string/c_app_name" android:name=".CalculatorActivity" android:windowSoftInputMode="adjustPan">
 
diff --git a/calculatorpp/pom.xml b/calculatorpp/pom.xml
index ae0718d5..475c1954 100644
--- a/calculatorpp/pom.xml
+++ b/calculatorpp/pom.xml
@@ -64,7 +64,7 @@
         <dependency>
             <groupId>org.solovyev</groupId>
             <artifactId>jscl</artifactId>
-            <version>0.0.1</version>
+            <version>0.0.2</version>
             <exclusions>
                 <exclusion>
                     <artifactId>xercesImpl</artifactId>
@@ -121,6 +121,12 @@
             <!--<type>apklib</type>-->
         </dependency>
 
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>11.0.2</version>
+        </dependency>
+
         <dependency>
             <groupId>com.intellij</groupId>
             <artifactId>annotations</artifactId>
diff --git a/calculatorpp/src/main/java/org/solovyev/android/calculator/CalculatorMenu.java b/calculatorpp/src/main/java/org/solovyev/android/calculator/CalculatorMenu.java
index c79df031..d4f2b32e 100644
--- a/calculatorpp/src/main/java/org/solovyev/android/calculator/CalculatorMenu.java
+++ b/calculatorpp/src/main/java/org/solovyev/android/calculator/CalculatorMenu.java
@@ -6,14 +6,14 @@ import android.util.Log;
 import android.view.MenuItem;
 import org.jetbrains.annotations.NotNull;
 import org.solovyev.android.calculator.view.NumeralBaseConverterDialog;
-import org.solovyev.android.menu.ActivityMenuItem;
+import org.solovyev.android.menu.IdentifiableMenuItem;
 
 /**
  * User: serso
  * Date: 4/23/12
  * Time: 2:25 PM
  */
-enum CalculatorMenu implements ActivityMenuItem {
+enum CalculatorMenu implements IdentifiableMenuItem {
 
     settings(R.id.main_menu_item_settings){
         @Override
diff --git a/calculatorpp/src/main/java/org/solovyev/android/calculator/model/CalculatorEngine.java b/calculatorpp/src/main/java/org/solovyev/android/calculator/model/CalculatorEngine.java
index 7f3af56b..b2302d1b 100644
--- a/calculatorpp/src/main/java/org/solovyev/android/calculator/model/CalculatorEngine.java
+++ b/calculatorpp/src/main/java/org/solovyev/android/calculator/model/CalculatorEngine.java
@@ -114,7 +114,7 @@ public enum CalculatorEngine {
 
 	private final AndroidMathRegistry<Operator> postfixFunctionsRegistry = new AndroidPostfixFunctionsRegistry(engine.getPostfixFunctionsRegistry());
 
-	@NotNull
+	@Nullable
 	private ThreadKiller threadKiller = new AndroidThreadKiller();
 
 	// calculation thread timeout in seconds, after timeout thread would be interrupted
@@ -256,9 +256,10 @@ public enum CalculatorEngine {
 				final Thread calculationThreadLocal = calculationThread.getObject();
 
 				if (calculationThreadLocal != null) {
-					// todo serso: interrupt doesn't stop the thread but it MUST be killed
-					threadKiller.killThread(calculationThreadLocal);
-					//calculationThreadLocal.stop();
+                    if (threadKiller != null) {
+                        threadKiller.killThread(calculationThreadLocal);
+                    }
+                    //calculationThreadLocal.stop();
 				}
 
 				if (parseExceptionObject != null || evalExceptionObject != null) {
@@ -396,7 +397,7 @@ public enum CalculatorEngine {
 	}
 
 	// for tests only
-	void setThreadKiller(@NotNull ThreadKiller threadKiller) {
+	void setThreadKiller(@Nullable ThreadKiller threadKiller) {
 		this.threadKiller = threadKiller;
 	}
 
diff --git a/calculatorpp/src/test/java/org/solovyev/android/calculator/jscl/FromJsclNumericTextProcessorTest.java b/calculatorpp/src/test/java/org/solovyev/android/calculator/jscl/FromJsclNumericTextProcessorTest.java
index c3c1d9e0..c0483701 100644
--- a/calculatorpp/src/test/java/org/solovyev/android/calculator/jscl/FromJsclNumericTextProcessorTest.java
+++ b/calculatorpp/src/test/java/org/solovyev/android/calculator/jscl/FromJsclNumericTextProcessorTest.java
@@ -6,6 +6,8 @@
 
 package org.solovyev.android.calculator.jscl;
 
+import jscl.AngleUnit;
+import jscl.JsclMathEngine;
 import jscl.math.Expression;
 import jscl.math.Generic;
 import org.junit.Assert;
@@ -29,9 +31,19 @@ public class FromJsclNumericTextProcessorTest {
 	public void testCreateResultForComplexNumber() throws Exception {
 		final FromJsclNumericTextProcessor cm = new FromJsclNumericTextProcessor();
 
+        final JsclMathEngine me = JsclMathEngine.instance;
+        final AngleUnit defaultAngleUnits = me.getAngleUnits();
+
 		Assert.assertEquals("1.22133+23 123i", cm.process(Expression.valueOf("1.22133232+23123*i").numeric()));
 		Assert.assertEquals("1.22133+1.2i", cm.process(Expression.valueOf("1.22133232+1.2*i").numeric()));
-		Assert.assertEquals("1.22i", cm.process(Expression.valueOf("1.22*i").numeric()));
+		Assert.assertEquals("1.22133+0i", cm.process(Expression.valueOf("1.22133232+0.000000001*i").numeric()));
+        try {
+            me.setAngleUnits(AngleUnit.rad);
+            Assert.assertEquals("1-0i", cm.process(Expression.valueOf("-(e^(i*π))").numeric()));
+        } finally {
+            me.setAngleUnits(defaultAngleUnits);
+        }
+        Assert.assertEquals("1.22i", cm.process(Expression.valueOf("1.22*i").numeric()));
 		Assert.assertEquals("i", cm.process(Expression.valueOf("i").numeric()));
 		Generic numeric = Expression.valueOf("e^(Π*i)+1").numeric();
 		junit.framework.Assert.assertEquals("0i", cm.process(numeric));
diff --git a/pom.xml b/pom.xml
index 6318b869..a98cad66 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,7 +18,6 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <android.sdk.path>/home/ssolovyev/projects/org.solovyev/misc/lib/android-sdk-linux_x86</android.sdk.path>
     </properties>
 
     <dependencyManagement>
@@ -56,6 +55,12 @@
                 <version>2.3.1</version>
             </dependency>
 
+            <dependency>
+                <groupId>com.google.guava</groupId>
+                <artifactId>guava</artifactId>
+                <version>11.0.2</version>
+            </dependency>
+
         </dependencies>
     </dependencyManagement>