sequentialGroup.addComponent(new JButton(new ShowMathGraphs()));
sequentialGroup.addComponent(new JButton(new ShowPointCloud()));
sequentialGroup.addComponent(new JButton(new ShowRain()));
sequentialGroup.addComponent(new JButton(new ShowMathGraphs()));
sequentialGroup.addComponent(new JButton(new ShowPointCloud()));
sequentialGroup.addComponent(new JButton(new ShowRain()));