diff --git a/kbruch/src/kbruch.cpp b/kbruch/src/kbruch.cpp
index aaca2b02..50e71843 100644
--- a/kbruch/src/kbruch.cpp
+++ b/kbruch/src/kbruch.cpp
@@ -48,7 +48,7 @@ int main(int argc, char * argv[])
 
 	KApplication kbruch;
 
-	MainTQtWidget * kbruchApp = new MainTQtWidget();
+	MainQtWidget * kbruchApp = new MainQtWidget();
 	kbruch.setMainWidget(kbruchApp);
 	kbruchApp->show();
 
diff --git a/kbruch/src/kbruch.h b/kbruch/src/kbruch.h
index a79dccb5..e0f5ca0e 100644
--- a/kbruch/src/kbruch.h
+++ b/kbruch/src/kbruch.h
@@ -31,7 +31,7 @@
 static const char description[] =
 	I18N_NOOP("KBruch");
 
-class MainTQtWidget;
+class MainQtWidget;
 class task;
 class ratio;
 class primzahl;
diff --git a/kbruch/src/mainqtwidget.cpp b/kbruch/src/mainqtwidget.cpp
index 7212f56a..f7a19005 100644
--- a/kbruch/src/mainqtwidget.cpp
+++ b/kbruch/src/mainqtwidget.cpp
@@ -46,10 +46,10 @@
 
 /* ------ public member functions ------ */
 
-MainTQtWidget::MainTQtWidget()
+MainQtWidget::MainQtWidget()
 {
 #ifdef DEBUG
-	kdDebug() << "constructor MainTQtWidget" << endl;
+	kdDebug() << "constructor MainQtWidget" << endl;
 #endif
 
 	// get the settings
@@ -116,14 +116,14 @@ MainTQtWidget::MainTQtWidget()
 	slotAboutToShowPage(m_exercises->pageWidget(m_exercises->activePageIndex()));
 }
 
-MainTQtWidget::~MainTQtWidget()
+MainQtWidget::~MainQtWidget()
 {
 }
 
 
 /* ------ private member functions ------ */
 
-void MainTQtWidget::readOptions()
+void MainQtWidget::readOptions()
 {
 	m_addSub = SettingsClass::addsub();
 	m_mulDiv = SettingsClass::muldiv();
@@ -138,7 +138,7 @@ void MainTQtWidget::readOptions()
 	}
 }
 
-void MainTQtWidget::writeOptions()
+void MainQtWidget::writeOptions()
 {
 	SettingsClass::setActiveExercise(m_exercises->activePageIndex());
 
@@ -151,7 +151,7 @@ void MainTQtWidget::writeOptions()
 	SettingsClass::writeConfig();
 }
 
-void MainTQtWidget::setupActions()
+void MainQtWidget::setupActions()
 {
 	// new task action
 	m_NewTaskAction = new KAction(i18n("&New"), "filenew", KStdAccel::shortcut(KStdAccel::New),
@@ -252,10 +252,10 @@ void MainTQtWidget::setupActions()
 
 /* ------ private slots ------ */
 
-void MainTQtWidget::NewTask()
+void MainQtWidget::NewTask()
 {
 #ifdef DEBUG
-	kdDebug() << "NewTask MainTQtWidget" << endl;
+	kdDebug() << "NewTask MainQtWidget" << endl;
 	kdDebug() << "pageIndex(m_taskview): " << m_exercises->pageIndex(m_taskview) << endl;
 	kdDebug() << "pageIndex(m_exerciseCompare): " << m_exercises->pageIndex(m_exerciseCompare) << endl;
 	kdDebug() << "pageIndex(m_exerciseConvert): " << m_exercises->pageIndex(m_exerciseConvert) << endl;
@@ -307,10 +307,10 @@ void MainTQtWidget::NewTask()
 	return;
 }
 
-void MainTQtWidget::NrOfTermsBoxSlot()
+void MainQtWidget::NrOfTermsBoxSlot()
 {
 #ifdef DEBUG
-	kdDebug() << "MainTQtWidget::NrOfTermsBoxSlot()" << endl;
+	kdDebug() << "MainQtWidget::NrOfTermsBoxSlot()" << endl;
 #endif
 	TQString curr_nr = m_NrOfTermsBox->currentText();
 	m_MaxMainDenominatorBox->clear();
@@ -363,10 +363,10 @@ void MainTQtWidget::NrOfTermsBoxSlot()
 	(void) m_taskview->setTaskParameters(m_addSub, m_mulDiv, m_nrRatios, m_maxMainDenominator);
 }
 
-void MainTQtWidget::MaxMainDenominatorBoxSlot()
+void MainQtWidget::MaxMainDenominatorBoxSlot()
 {
 #ifdef DEBUG
-	kdDebug() << "MainTQtWidget::MaxMainDenominatorBoxSlot()" << endl;
+	kdDebug() << "MainQtWidget::MaxMainDenominatorBoxSlot()" << endl;
 #endif
 
 	// get the max. size from the ComboBox, convert it to a number and store
@@ -378,10 +378,10 @@ void MainTQtWidget::MaxMainDenominatorBoxSlot()
 	(void) m_taskview->setTaskParameters(m_addSub, m_mulDiv, m_nrRatios, m_maxMainDenominator);
 }
 
-void MainTQtWidget::OperationBoxSlot()
+void MainQtWidget::OperationBoxSlot()
 {
 #ifdef DEBUG
-	kdDebug() << "MainTQtWidget::OperationBoxSlot()" << endl;
+	kdDebug() << "MainQtWidget::OperationBoxSlot()" << endl;
 #endif
 
 	int index = m_OperationBox->currentItem(); // get selected item
@@ -413,7 +413,7 @@ void MainTQtWidget::OperationBoxSlot()
 	(void) m_taskview->setTaskParameters(m_addSub, m_mulDiv, m_nrRatios, m_maxMainDenominator);
 }
 
-void MainTQtWidget::slotPrefs()
+void MainQtWidget::slotPrefs()
 {
 	// do not show dialog twice
 	if (KConfigDialog::showDialog("settings"))
@@ -444,7 +444,7 @@ void MainTQtWidget::slotPrefs()
 	return;
 }
 
-void MainTQtWidget::slotApplySettings()
+void MainQtWidget::slotApplySettings()
 {
 	// update the task view
 	m_taskview->update();
@@ -455,10 +455,10 @@ void MainTQtWidget::slotApplySettings()
 	return;
 }
 
-void MainTQtWidget::slotAboutToShowPage(TQWidget * page)
+void MainQtWidget::slotAboutToShowPage(TQWidget * page)
 {
 #ifdef DEBUG
-	kdDebug() << "slotAboutToShowPage MainTQtWidget" << endl;
+	kdDebug() << "slotAboutToShowPage MainQtWidget" << endl;
 	kdDebug() << "pageIndex(m_taskview): " << m_exercises->pageIndex(m_taskview) << endl;
 	kdDebug() << "pageIndex(m_exerciseCompare): " << m_exercises->pageIndex(m_exerciseCompare) << endl;
 	kdDebug() << "pageIndex(m_exerciseConvert): " << m_exercises->pageIndex(m_exerciseConvert) << endl;
@@ -480,7 +480,7 @@ void MainTQtWidget::slotAboutToShowPage(TQWidget * page)
 	return;
 }
 
-bool MainTQtWidget::queryExit()
+bool MainQtWidget::queryExit()
 {
 	writeOptions();
 	return true;
diff --git a/kbruch/src/mainqtwidget.h b/kbruch/src/mainqtwidget.h
index 989a998e..d6506cde 100644
--- a/kbruch/src/mainqtwidget.h
+++ b/kbruch/src/mainqtwidget.h
@@ -37,17 +37,17 @@ class TaskView;
  *  \author Sebastian Stein
  *  \author Eva Brucherseifer
  **/
-class MainTQtWidget : public KMainWindow
+class MainQtWidget : public KMainWindow
 {
 	Q_OBJECT
   TQ_OBJECT
 			  
 	public:
 		/** constructor */
-		MainTQtWidget();
+		MainQtWidget();
 
 		/** destructor */
-		~MainTQtWidget();
+		~MainQtWidget();
 
 	private:
 		/** read the config file */
@@ -143,4 +143,4 @@ class MainTQtWidget : public KMainWindow
 		bool queryExit();
 };
 
-#endif // MainTQtWidget
+#endif // MainQtWidget