If you have done research on dive computers or have been an experienced diver for several years, you have probably come across compression tables. The thing is, when you are comparing them to dive computers there is really not much of a comparison and possibly the main reason is that of the safety. Here is the deal, compression tables require manual algorithms and mathematics which means you have to account for human error. However, this is simply not the case with dive computers as they are constantly delivering updated information in real-time to create a much safer diving experience.
Because of this, you can know in an instance notice all you need to know about your tank pressure, the depth of the water, and other critical information.