diff --git a/Sankore_3.1.pro b/Sankore_3.1.pro
index 66991470..bf00af51 100644
--- a/Sankore_3.1.pro
+++ b/Sankore_3.1.pro
@@ -14,7 +14,7 @@ linux-g++-64 {
 VERSION_MAJ = 2
 VERSION_MIN = 00 
 VERSION_TYPE = b # a = alpha, b = beta, r = release, other => error
-VERSION_PATCH = 01
+VERSION_PATCH = 02
 
 VERSION = "$${VERSION_MAJ}.$${VERSION_MIN}.$${VERSION_TYPE}.$${VERSION_PATCH}"
 VERSION = $$replace(VERSION, "\\.r", "")
diff --git a/release.win7.vc9.bat b/release.win7.vc9.bat
index af1f549b..4e600cb0 100644
--- a/release.win7.vc9.bat
+++ b/release.win7.vc9.bat
@@ -1,7 +1,7 @@
 REM --------------------------------------------------------------------
 REM This program is free software: you can redistribute it and/or modify
 REM it under the terms of the GNU General Public License as published by
-REM the Free Software Foundation, either version 3 of the License, or
+REM the Free Software Foundation, either version 2 of the License, or
 REM (at your option) any later version.
 REM 
 REM This program is distributed in the hope that it will be useful,
@@ -18,6 +18,7 @@ set QT_BIN=%QT_DIR%\bin
 
 set PROGRAMS_FILE_PATH=C:\Program Files
 
+set SEVEN_ZIP_EXE="%PROGRAMS_FILE_PATH%\7-Zip\7z.exe"
 set GIT_BIN=%PROGRAMS_FILE_PATH%\Git\bin
 set VS_BIN=%PROGRAMS_FILE_PATH%\Microsoft Visual Studio 9.0\VC\bin
 set WIN_SDK_BIN=%PROGRAMS_FILE_PATH%\Microsoft SDKs\Windows\v6.0A\Bin
@@ -37,7 +38,7 @@ REM is correct. This is important because installer
 REM pick up dll from this directory
 IF NOT EXIST "%QT_DIR%\lib\QtCore4.dll" GOTO EXIT_WITH_ERROR
 
-rmdir /S /Q %BUILD_DIR%
+REM rmdir /S /Q %BUILD_DIR%
 
 set EDITION=MNEMIS_EDITION
 
@@ -46,7 +47,9 @@ set EDITION=MNEMIS_EDITION
 %LRELEASE% Sankore_3.1.pro
 %LRELEASE% %BASE_QT_TRANSLATIONS_DIRECTORY%\translations.pro
 
-REM set /p VERSION= < build\win32\release\version
+set /p VERSION= < build\win32\release\version
+REM remove the last character that is a space
+set VERSION=%VERSION: =%
 REM git rev-list --tags --max-count=1 > tmp
 REM set /p LAST_TAG= < tmp
 REM erase tmp
@@ -78,3 +81,19 @@ set INSTALLER_PATH=.\install\win32\%INSTALLER_NAME%.exe
 
 call "%INNO_EXE%" "Sankore 3.1.iss" /F"%INSTALLER_NAME%"
 
+set INSTALL_DIRECTORY=install\win32\
+
+xcopy *.pdf %INSTALL_DIRECTORY%
+cd %INSTALL_DIRECTORY%
+call %SEVEN_ZIP_EXE% a Open-Sankor‚_Windows_%VERSION%.zip *.exe *.pdf
+cd ..\..\
+GOTO END
+
+:EXIT_WITH_ERROR
+echo "Error found"
+GOTO :EOF
+
+:END
+echo "Open-Sankore's build finished"
+
+:EOF
diff --git a/resources/library/applications/Calculatrice.wgt/js/ubw-main.js b/resources/library/applications/Calculatrice.wgt/js/ubw-main.js
index f0a1b0f9..70755293 100644
--- a/resources/library/applications/Calculatrice.wgt/js/ubw-main.js
+++ b/resources/library/applications/Calculatrice.wgt/js/ubw-main.js
@@ -350,7 +350,6 @@ function init(){
 
     function compute(){
         var result;
-        //alert(calc)
         if(calc.length <= 1)
             result = eval(calc);
         else{
@@ -362,7 +361,6 @@ function init(){
             operation = (calc.indexOf("+", 0) != -1)?calc.charAt(calc.indexOf("+", 0)):((calc.indexOf("*", 0) != -1)?calc.charAt(calc.indexOf("*", 0)):((calc.indexOf("/", 0) != -1)?calc.charAt(calc.indexOf("/", 0)):((calc.indexOf("-", 0) != -1)?calc.charAt(calc.indexOf("-", 0)):"")));
             fNumber = fMinus + calc.substring(0, calc.indexOf(operation, 0));
             lNumber = calc.substring(calc.indexOf(operation, 0)+1, calc.length);
-            //alert(fNumber + " | " + operation + " | " + lNumber)
             result = calcIt(fNumber, operation, lNumber);
         }
 
@@ -391,10 +389,10 @@ function init(){
         lCount = (lNumber.indexOf(".", 0) != -1)?lNumber.substring(lNumber.indexOf(".", 0)+1, lNumber.length):"";
         length = (fCount.length >= lCount.length)?fCount.length:lCount.length;
         length = Math.pow(10, length);
-        fNumber = fNumber * length;
-        lNumber = lNumber * length;
+        fNumber = Math.round(fNumber * length);
+        lNumber = Math.round(lNumber * length);
         switch(operation){
-            case "+":                
+            case "+":
                 result = (fNumber + lNumber)/length;
                 break;
             case "-":
@@ -516,10 +514,27 @@ function init(){
                 displayTrunk = displayTrunk.substr(0, displayTrunk.length-1);
             };
 
-            calc += String(char);
-            displayTrunk += String(char);
-            historyTrunk += String(char);
-            lastchar.type = "Number";
+            if(calc == "0"){
+                if(char != "0"){
+                    if(char != "."){
+                        calc = String(char);
+                        displayTrunk = String(char);
+                        historyTrunk = String(char);
+                        lastchar.type = "Number";
+                    } else{
+                        calc += String(char);
+                        displayTrunk += String(char);
+                        historyTrunk += String(char);
+                        lastchar.type = "Number";
+                    }
+                }
+            } else {
+                char = (char == ".")?((displayTrunk.indexOf(".", 0) != -1)?"":"."):char;
+                calc += String(char);
+                displayTrunk += String(char);
+                historyTrunk += String(char);
+                lastchar.type = "Number";
+            }
         }
         // char is an operator
         else {
diff --git a/src/board/UBFeaturesController.cpp b/src/board/UBFeaturesController.cpp
index 4adf7194..6a597736 100644
--- a/src/board/UBFeaturesController.cpp
+++ b/src/board/UBFeaturesController.cpp
@@ -99,12 +99,17 @@ UBFeaturesController::UBFeaturesController(QWidget *pParentWidget) :
     mUserAnimationDirectoryPath = QUrl::fromLocalFile(UBSettings::settings()->userAnimationDirectory());
 
     mLibPicturesDirectoryPath = QUrl::fromLocalFile(UBSettings::settings()->applicationImageLibraryDirectory());
+    mLibAudiosDirectoryPath = QUrl::fromLocalFile(UBSettings::settings()->applicationAudiosLibraryDirectory());
+    mLibVideosDirectoryPath = QUrl::fromLocalFile(UBSettings::settings()->applicationVideosLibraryDirectory());
+    mLibAnimationsDirectoryPath = QUrl::fromLocalFile(UBSettings::settings()->applicationAnimationsLibraryDirectory());
     mLibInteractiveDirectoryPath = QUrl::fromLocalFile(UBSettings::settings()->applicationInteractivesDirectory());
     mLibApplicationsDirectoryPath = QUrl::fromLocalFile(UBSettings::settings()->applicationApplicationsLibraryDirectory());
     mLibShapesDirectoryPath = QUrl::fromLocalFile(UBSettings::settings()->applicationShapeLibraryDirectory());
     mLibSearchDirectoryPath =QUrl::fromLocalFile(UBSettings::settings()->userSearchDirectory());
     trashDirectoryPath = QUrl::fromLocalFile(UBSettings::userTrashDirPath());
 
+
+
     rootElement = UBFeature(QString(), QPixmap( ":images/libpalette/home.png" ), "root", QUrl());
     audiosElement = UBFeature( rootPath, QPixmap(":images/libpalette/AudiosCategory.svg"), "Audios" , mUserAudioDirectoryPath, FEATURE_CATEGORY);
     moviesElement = UBFeature( rootPath, QPixmap(":images/libpalette/MoviesCategory.svg"), "Movies" , mUserVideoDirectoryPath, FEATURE_CATEGORY);