Generally speaking, there are two types of microscope; Compound microscopes (also known as light microscopes), which produce a mono (2D) image and stereo microscopes, which produce a stereo (3D) image.
To delete apps on your iPhone, tap and hold an app icon for a couple of seconds until all the icons begin to shake. Tap the X icon on each app you want to remove and confirm the deletion in the pop-up screen that appears. If an app doesn't have the X icon, the app came with iOS, and you can't remove it.
To delete apps on your iphone 6 to free up some storage simply hold down on any app you want to delete. Once you do that all the apps you have will start to shake and have an x next to them. Click the x on any app you wish to delete.