diff --git a/main/mainscreen.ui b/main/mainscreen.ui
index 3b941ca..325088c 100644
--- a/main/mainscreen.ui
+++ b/main/mainscreen.ui
@@ -64,7 +64,7 @@ background: qlineargradient(spread:pad, x1:0.496, y1:0, x2:0.508, y2:1, stop:0 r
        <enum>QTabWidget::Rounded</enum>
       </property>
       <property name="currentIndex">
-       <number>0</number>
+       <number>1</number>
       </property>
       <property name="documentMode">
        <bool>false</bool>
@@ -391,6 +391,9 @@ font-size: 15px;
                  </item>
                  <item row="0" column="3">
                   <widget class="QSpinBox" name="spinBoxCoursesToSemester">
+                   <property name="toolTip">
+                    <string>ending semester</string>
+                   </property>
                    <property name="minimum">
                     <number>1</number>
                    </property>
@@ -420,6 +423,9 @@ font-size: 15px;
                  </item>
                  <item row="0" column="1">
                   <widget class="QSpinBox" name="spinBoxCoursesToYear">
+                   <property name="toolTip">
+                    <string>ending year</string>
+                   </property>
                    <property name="minimum">
                     <number>2008</number>
                    </property>
@@ -521,7 +527,7 @@ font-size: 15px;
                       </size>
                      </property>
                      <property name="toolTip">
-                      <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;&lt;span style=&quot; font-weight:600;&quot;&gt;Clear table&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+                      <string>clear table</string>
                      </property>
                      <property name="text">
                       <string>Clear Table</string>
@@ -539,8 +545,11 @@ font-size: 15px;
                        <verstretch>0</verstretch>
                       </sizepolicy>
                      </property>
+                     <property name="toolTip">
+                      <string>get GPA</string>
+                     </property>
                      <property name="whatsThis">
-                      <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;&lt;span style=&quot; font-weight:600;&quot;&gt;Get your grades&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+                      <string/>
                      </property>
                      <property name="text">
                       <string>Get GPA</string>
@@ -558,6 +567,9 @@ font-size: 15px;
                    </item>
                    <item row="0" column="1">
                     <widget class="QPushButton" name="revertBtn">
+                     <property name="toolTip">
+                      <string>revert any changes</string>
+                     </property>
                      <property name="text">
                       <string>Revert Changes</string>
                      </property>
@@ -599,6 +611,9 @@ font-size: 15px;
                         <verstretch>0</verstretch>
                        </sizepolicy>
                       </property>
+                      <property name="toolTip">
+                       <string>show only course's grade point greater than zero</string>
+                      </property>
                       <property name="text">
                        <string>Only Main Courses</string>
                       </property>
@@ -686,6 +701,9 @@ font-size: 15px;
                  </item>
                  <item row="0" column="1">
                   <widget class="QSpinBox" name="spinBoxCoursesFromYear">
+                   <property name="toolTip">
+                    <string>starting year</string>
+                   </property>
                    <property name="minimum">
                     <number>2008</number>
                    </property>
@@ -715,6 +733,9 @@ font-size: 15px;
                  </item>
                  <item row="0" column="3">
                   <widget class="QSpinBox" name="spinBoxCoursesFromSemester">
+                   <property name="toolTip">
+                    <string>starting semester</string>
+                   </property>
                    <property name="minimum">
                     <number>1</number>
                    </property>
@@ -871,6 +892,9 @@ font-size: 15px;
               </item>
               <item>
                <widget class="QPushButton" name="getCalendarBtn">
+                <property name="toolTip">
+                 <string>show studential schedule and exam list</string>
+                </property>
                 <property name="text">
                  <string>Get Schedule &amp;&amp; Exam</string>
                 </property>
@@ -878,6 +902,9 @@ font-size: 15px;
               </item>
               <item>
                <widget class="QPushButton" name="examsBtn">
+                <property name="toolTip">
+                 <string>show exam dialog</string>
+                </property>
                 <property name="text">
                  <string>Show Exams</string>
                 </property>
@@ -885,6 +912,9 @@ font-size: 15px;
               </item>
               <item>
                <widget class="QPushButton" name="exportToCVSBtn">
+                <property name="toolTip">
+                 <string>show exportion dialog</string>
+                </property>
                 <property name="text">
                  <string>Export to CSV</string>
                 </property>
@@ -915,8 +945,14 @@ font-size: 15px;
     </item>
     <item row="2" column="0">
      <widget class="QLabel" name="labelMadeBy">
+      <property name="toolTip">
+       <string>http://liranbg.github.io/JceManager</string>
+      </property>
+      <property name="statusTip">
+       <string/>
+      </property>
       <property name="text">
-       <string>&lt;p align=&quot;center&quot;&gt;Made By &lt;a href=&quot;http://liranbg.github.io/JceManager/&quot;&gt;&lt;span style=&quot; text-decoration: underline; color:#0000ff;&quot;&gt;JceManager&lt;/span&gt;&lt;/a&gt;&lt;/p&gt;</string>
+       <string>&lt;p align=&quot;center&quot;&gt;Made By &lt;a href=&quot;http://liranbg.github.io/JceManager/&quot;&gt;&lt;span style=&quot; text-decoration: underline; color:#0000ff;&quot;&gt;JceManager&lt;/span&gt;&lt;/a&gt;&lt;/ps</string>
       </property>
       <property name="openExternalLinks">
        <bool>true</bool>
diff --git a/src/jceData/Calendar/Exams/examDialog.ui b/src/jceData/Calendar/Exams/examDialog.ui
index aa07e3d..bebd0f9 100644
--- a/src/jceData/Calendar/Exams/examDialog.ui
+++ b/src/jceData/Calendar/Exams/examDialog.ui
@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>810</width>
-    <height>306</height>
+    <width>811</width>
+    <height>327</height>
    </rect>
   </property>
   <property name="sizePolicy">
@@ -68,7 +68,10 @@
          <item>
           <widget class="QPushButton" name="pushButtonRevert">
            <property name="toolTip">
-            <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Revert changes&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+            <string>revert any changes</string>
+           </property>
+           <property name="statusTip">
+            <string/>
            </property>
            <property name="text">
             <string>Revert</string>
@@ -78,7 +81,7 @@
          <item>
           <widget class="QPushButton" name="pushButtonCancel">
            <property name="toolTip">
-            <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Discard and hide&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+            <string>discard and close</string>
            </property>
            <property name="text">
             <string>Cancel</string>
@@ -88,7 +91,7 @@
          <item>
           <widget class="QPushButton" name="pushButtonOk">
            <property name="toolTip">
-            <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Save and hide&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+            <string>save and close</string>
            </property>
            <property name="text">
             <string>Ok</string>
diff --git a/src/jceData/Calendar/coursesSchedule/calendarDialog.ui b/src/jceData/Calendar/coursesSchedule/calendarDialog.ui
index 8ca5dda..63c9281 100644
--- a/src/jceData/Calendar/coursesSchedule/calendarDialog.ui
+++ b/src/jceData/Calendar/coursesSchedule/calendarDialog.ui
@@ -185,6 +185,9 @@
        </item>
        <item row="0" column="3">
         <widget class="QCheckBox" name="isExam">
+         <property name="statusTip">
+          <string>integrate exam schedule</string>
+         </property>
          <property name="text">
           <string>Include Exams</string>
          </property>
diff --git a/src/jceData/Grades/graph/gradegraph.ui b/src/jceData/Grades/graph/gradegraph.ui
index 171f6fd..5b9ad37 100644
--- a/src/jceData/Grades/graph/gradegraph.ui
+++ b/src/jceData/Grades/graph/gradegraph.ui
@@ -68,6 +68,9 @@
        </item>
        <item>
         <widget class="QPushButton" name="pushButton">
+         <property name="toolTip">
+          <string/>
+         </property>
          <property name="text">
           <string>Close</string>
          </property>