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 remove an app directly from your iPad, iTouch, or iPhone, press the icon on the device for the particular app you wish to delete until all of the icons on the screen start to wiggle. Once they are wiggling you will also see the symbol appear in the upper left-hand corner of each icon as shown in the image below.