- in Calculators Plugin added a new calculator to calculate the required chemical weights for tinning solutions

- in Calculators Plugin remade the GUI
- some minor GUI modifications for a series of App Plugins

appPlugins/ToolQRCode.py

@@ -758,8 +758,6 @@ class QRcodeUI:
         self.level.setCheckable(True)
         self.title_box.addWidget(self.level)
 
-        self.layout.addWidget(FCLabel(''))
-
         # ## Grid Layout
         i_grid_lay = FCGridLayout(v_spacing=5, h_spacing=3)
         self.layout.addLayout(i_grid_lay)