diff --git a/src/configuration/Appconfig.pyc b/src/configuration/Appconfig.pyc
index 7ba34c348..3d2c022d4 100644
Binary files a/src/configuration/Appconfig.pyc and b/src/configuration/Appconfig.pyc differ
diff --git a/src/configuration/__init__.pyc b/src/configuration/__init__.pyc
index e99acbcfc..7a78727c9 100644
Binary files a/src/configuration/__init__.pyc and b/src/configuration/__init__.pyc differ
diff --git a/src/frontEnd/ViewManagement.pyc b/src/frontEnd/ViewManagement.pyc
index 53ca02510..f4a3ed365 100644
Binary files a/src/frontEnd/ViewManagement.pyc and b/src/frontEnd/ViewManagement.pyc differ
diff --git a/src/frontEnd/Workspace.pyc b/src/frontEnd/Workspace.pyc
index 2d2829a67..57c10756a 100644
Binary files a/src/frontEnd/Workspace.pyc and b/src/frontEnd/Workspace.pyc differ
diff --git a/src/kicadtoNgspice/Analysis.pyc b/src/kicadtoNgspice/Analysis.pyc
index b33c052a7..61b12fe23 100644
Binary files a/src/kicadtoNgspice/Analysis.pyc and b/src/kicadtoNgspice/Analysis.pyc differ
diff --git a/src/kicadtoNgspice/Convert.py b/src/kicadtoNgspice/Convert.py
index 1e2939960..c0d985488 100644
--- a/src/kicadtoNgspice/Convert.py
+++ b/src/kicadtoNgspice/Convert.py
@@ -130,15 +130,16 @@ def analysisInsertor(self,ac_entry_var,dc_entry_var, tran_entry_var,set_checkbox
        
         if self.variable== 'AC':
             self.no=0
-            self.writefile.write(".ac"+' ' + self.ac_type + ' '+str(self.ac_entry_var[self.no+2].text())+' ' + str(self.ac_entry_var[self.no].text()) + self.ac_parameter[self.no]+ ' ' + str(self.ac_entry_var[self.no+1].text()) + self.ac_parameter[self.no+1] )        
+            self.writefile.write(".ac"+' ' + self.ac_type + ' '+ str(self.defaultvalue(self.ac_entry_var[self.no+2].text()))+' ' + str(self.defaultvalue(self.ac_entry_var[self.no].text())) + self.ac_parameter[self.no]+ ' ' + str(self.defaultvalue(self.ac_entry_var[self.no+1].text())) + self.ac_parameter[self.no+1] )        
 
         elif self.variable=='DC':
-            self.no=0
-            self.writefile.write(".dc" +' '+ str(self.dc_entry_var[self.no].text())+ ' '+ str(self.dc_entry_var[self.no+1].text()) + self.converttosciform(self.dc_parameter[self.no]) + ' '+ str(self.dc_entry_var[self.no+3].text())+ self.converttosciform(self.dc_parameter[self.no+2]) + ' '+ str(self.dc_entry_var[self.no+2].text()) + self.converttosciform(self.dc_parameter[self.no+1]))
+            self.no=0 
+            self.writefile.write(".dc" +' '+ str(self.dc_entry_var[self.no].text())+ ' '+ str(self.defaultvalue(self.dc_entry_var[self.no+1].text())) + self.converttosciform(self.dc_parameter[self.no]) + ' '+ str(self.defaultvalue(self.dc_entry_var[self.no+3].text()))+ self.converttosciform(self.dc_parameter[self.no+2]) + ' '+ str(self.defaultvalue(self.dc_entry_var[self.no+2].text())) + self.converttosciform(self.dc_parameter[self.no+1]))
 
         elif self.variable == 'TRAN':
             self.no= 0
-            self.writefile.write(".tran" + ' '+ str(self.tran_entry_var[self.no+1].text()) + self.converttosciform(self.trans_parameter[self.no+1]) + ' ' + str(self.tran_entry_var[self.no+2].text()) + self.converttosciform(self.trans_parameter[self.no+2])+' '+ str(self.tran_entry_var[self.no].text())+ self.converttosciform(self.trans_parameter[self.no]))
+            self.writefile.write(".tran" + ' '+ str(self.defaultvalue(self.tran_entry_var[self.no+1].text())) + self.converttosciform(self.trans_parameter[self.no+1]) + ' ' + str(self.defaultvalue(self.tran_entry_var[self.no+2].text())) + self.converttosciform(self.trans_parameter[self.no+2])+' '+ str(self.defaultvalue(self.tran_entry_var[self.no].text()))+ self.converttosciform(self.trans_parameter[self.no]))
+
         else:
             pass
         self.writefile.close()
@@ -155,6 +156,13 @@ def converttosciform(self, string_obj):
             return "e-12"
         else:
             return "e-00"
+        
+    def defaultvalue(self, value):
+        self.value= value
+        if self.value == '':
+            return 0
+        else:
+            pass
     
     
     def addModelParameter(self,schematicInfo):
@@ -250,4 +258,6 @@ def addModelParameter(self,schematicInfo):
             
             
         return schematicInfo
+
+	
                 
\ No newline at end of file
diff --git a/src/kicadtoNgspice/KicadtoNgspice.pyc b/src/kicadtoNgspice/KicadtoNgspice.pyc
index 55c518010..0176963bc 100644
Binary files a/src/kicadtoNgspice/KicadtoNgspice.pyc and b/src/kicadtoNgspice/KicadtoNgspice.pyc differ
diff --git a/src/kicadtoNgspice/__init__.pyc b/src/kicadtoNgspice/__init__.pyc
index ce5d7c9f5..3d94ee17a 100644
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diff --git a/src/projManagement/Kicad.pyc b/src/projManagement/Kicad.pyc
index 4011f8758..086edc100 100644
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diff --git a/src/projManagement/Validation.pyc b/src/projManagement/Validation.pyc
index 34e4aca00..701fd65b3 100644
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diff --git a/src/projManagement/Worker.pyc b/src/projManagement/Worker.pyc
index 1144e9ed5..74cd7681e 100644
Binary files a/src/projManagement/Worker.pyc and b/src/projManagement/Worker.pyc differ
diff --git a/src/projManagement/__init__.pyc b/src/projManagement/__init__.pyc
index f50153e3f..c9d8227ce 100644
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diff --git a/src/projManagement/newProject.pyc b/src/projManagement/newProject.pyc
index 2754be241..a73cc6670 100644
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diff --git a/src/projManagement/openProject.pyc b/src/projManagement/openProject.pyc
index 441e488fa..26147b447 100644
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