diff --git a/libs/graphic/graphic.cpp b/libs/graphic/graphic.cpp
index dad4a7b..0ead8d8 100644
--- a/libs/graphic/graphic.cpp
+++ b/libs/graphic/graphic.cpp
@@ -820,6 +820,7 @@ void Graphic::exportGraphics(QString filename) {
 		QMessageBox::critical(this, tr("Export graphics"), tr("Can`t open file \"%1\"!").arg(filename));
 		return;
 	}
+	QApplication::setOverrideCursor(Qt::WaitCursor);
 	f.resize(0);
 	QTextStream ts(&f);
 	ts << "#";
@@ -854,6 +855,7 @@ void Graphic::exportGraphics(QString filename) {
 		if (has_data)
 			ts << line;
 	}
+	QApplication::restoreOverrideCursor();
 }
 
 
diff --git a/libs/graphic/graphic.ui b/libs/graphic/graphic.ui
index 5cc6b8a..7a3f710 100644
--- a/libs/graphic/graphic.ui
+++ b/libs/graphic/graphic.ui
@@ -395,6 +395,9 @@
          <property name="horizontalSpacing">
           <number>4</number>
          </property>
+         <property name="verticalSpacing">
+          <number>2</number>
+         </property>
         </layout>
        </widget>
       </item>
diff --git a/libs/widgets/evalspinbox.cpp b/libs/widgets/evalspinbox.cpp
index b0ad5bb..d9e7193 100644
--- a/libs/widgets/evalspinbox.cpp
+++ b/libs/widgets/evalspinbox.cpp
@@ -315,7 +315,7 @@ void EvalSpinBox::stepByDouble(double steps) {
 	if (eval->check(t)) {
 		t = eval->expression();
 #if QT_VERSION_MAJOR <= 5
-/*		QRegExp re("[+-]?([0-9]+([.][0-9]*)?|[.][0-9]+)");
+		QRegExp re("[+-]?([0-9]+([.][0-9]*)?|[.][0-9]+)");
 		int pos = 0;
 		if ((pos = re.indexIn(t)) != -1) {
 			double v = t.mid(pos, re.matchedLength()).toDouble();
@@ -326,9 +326,19 @@ void EvalSpinBox::stepByDouble(double steps) {
 			double v = steps;
 			t = QString::number(v) + t;
 		}
-#else*/
+#else
 		QRegularExpression re("[+-]?([0-9]+([.][0-9]*)?|[.][0-9]+)");
-		/// TODO andrey
+		QRegularExpressionMatchIterator i = re.globalMatch(t);
+		if (i.hasNext()) {
+			QRegularExpressionMatch match = i.next();
+			double v = t.mid(match.capturedStart(), match.capturedLength()).toDouble();
+			v += steps;
+			t.remove(match.capturedStart(), match.capturedLength());
+			t.insert(match.capturedStart(), QString::number(v));
+		} else {
+			double v = steps;
+			t = QString::number(v) + t;
+		}
 #endif
 		eval->check(t);
 		lineEdit()->setText(eval->expression());