2. Select the bottom white box in the familiar window and check it, that is, select the hidden function.
3. Turn on the computer again, and the software icon will disappear.
4. If you want to open the software icon, you can select the folder function (in the control panel). There is a view in the upper part of the folder window. Click to enter and select all files in the display list. The above is the hidden method of ggb mathematical software.