Abstract
In the article the author presents the specificity of deep diving decompression in relation to the revolution in diving which was triggered by the introduction of a personal computer in recreational diving. Continuous development of these computers, especially in the last decades of our century, concerned deep-sea technical and recreational dives. Deep-sea dives are difficult and risky in terms of underwater physiology and decompression. In characterizing the decompression of a diver, realized with the use of a computer for deep-sea dives, the author compares the realization of decompression in professional deep-sea dives. He also points out the formal and technical obstacles to the implementation of personal dive computers. In summary, the article evaluates the possibility of using the diving computer in the implementation of underwater works.