Enter all of the initial three values of outer radius, inner radius, and depth. Click on Calculate. The results are inner and outer diameters, top and bottom surface facial area, inner and outer surface area, total surface area, and volume. Calculations are rounded to three decimal places.
If you are really into this sort of math and you are experimenting with this at midnight or after, you need to get out more. This will make you old in a hurry!